# Alien (Yu-Gi-Oh! archetype)

Archetype profile: The "Alien" archetype has 40 cards in the database: 16 Effect Monsters, 9 Trap Cards, 8 Spell Cards, 2 Link Monsters, 1 Tuner Monster, 1 Flip Effect Monster, 1 Gemini Monster, 1 Normal Monster and 1 Synchro Monster. Its monsters are 12 LIGHT, 3 EARTH, 3 DARK, 2 WATER, 2 FIRE and 1 WIND by Attribute, and 22 Reptile and 1 Machine by Type. Its first TCG card was released on 16 August 2006 and its most recent on 19 October 2023. Together its cards have 54 TCG printings. Its most-viewed cards on YGOPRODeck are "A" Cell Breeding Device, "A" Cell Recombination Device, "A" Cell Incubator, "A" Cell Scatter Burst and Alien Ammonite. Monster ATK ranges from 0 to 2600.

Cards in this archetype: "A" Cell Breeding Device; "A" Cell Incubator; "A" Cell Recombination Device; "A" Cell Scatter Burst; Alien Ammonite; Alien Brain; Alien Dog; Alien Grey; Alien Hunter; Alien Hypno; Alien Infiltrator; Alien Kid; Alien Mars; Alien Mother; Alien Overlord; Alien Psychic; Alien Shocktrooper; Alien Shocktrooper M-Frame; Alien Skull; Alien Stealthbuster; Alien Telepath; Alien Warrior; Brainwashing Beam; Cell Explosion Virus; Code A Ancient Ruins; Corruption Cell "A"; Cosmic Fortress Gol'gar; Cosmic Horror Gangi'el; Cosmic Slicer Zer'oll; Crop Circles; Detonator Circle "A"; Flying Saucer Muusik'i; I.A.S. -Invasive Alien Species-; Interdimensional Warp; Interplanetary Invader "A"; Mass Hypnosis; Mysterious Triangle; Orbital Bombardment; Otherworld - The "A" Zone; Planet Pollutant Virus.

Part of the VanBanter Yu-Gi-Oh! knowledge layer (https://vanbanter.com/knowledge/index.txt). Card data, prices and banlists come from the YGOPRODeck database, version 147.60, updated 2026-10-25. "Listed" printing prices are the per-printing set prices YGOPRODeck publishes, in US dollars; YGOPRODeck does not state their source or date, and printings without one are shown unpriced. Card-level market prices are Cardmarket (euros), TCGplayer and eBay (US dollars). Prices move daily, so treat them as a snapshot.
VanBanter sells Yu-Gi-Oh! cards in live auctions on Whatnot with £1 starts: https://www.whatnot.com/user/vanbanter

## "A" Cell Breeding Device
Passcode: 34541863 · Konami ID: 7128
Card type: Continuous Spell
Archetype: Alien
Earlier (beta) name: A Cell Breeding Device
First released: OCG 2007-02-15 · TCG 2007-05-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: During each of your Standby Phases, put 1 A-Counter on 1 face-up monster your opponent controls.
Summary: "A" Cell Breeding Device is a Continuous Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 February 2007 and in the TCG on 16 May 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 353,538 times.
Printings (1):
- FOTB-EN043 · Force of the Breaker · Common · released 2007-05-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.05 · TCGplayer $0.13 · eBay $0.99
Reference: https://ygoprodeck.com/card/a-cell-breeding-device-9766

## "A" Cell Incubator
Passcode: 64163367 · Konami ID: 7315
Card type: Continuous Spell
Archetype: Alien
Earlier (beta) name: A Cell Incubator
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Each time an A-Counter(s) is removed from play by a card effect, place 1 A-Counter on this card. When this card is destroyed, distribute the A-Counters on this card among face-up monsters.
Summary: "A" Cell Incubator is a Continuous Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 246,007 times.
Printings (1):
- GLAS-EN062 · Gladiator's Assault · Common · released 2007-11-14
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.11 · TCGplayer $0.18 · eBay $1.25
Reference: https://ygoprodeck.com/card/a-cell-incubator-8856

## "A" Cell Recombination Device
Passcode: 91231901 · Konami ID: 12653
Card type: Quick-Play Spell
Archetype: Alien
Earlier (beta) name: A Cell Recombination Device
First released: OCG 2016-07-09 · TCG 2016-11-03
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: Target 1 face-up monster on the field; send 1 "Alien" monster from your Deck to the Graveyard, and if you do, place A-Counters on that monster equal to the Level of the sent monster. During your Main Phase, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard; add 1 "Alien" monster from your Deck to your hand.
Summary: "A" Cell Recombination Device is a Quick-Play Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 9 July 2016 and in the TCG on 3 November 2016. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 5 formats: Duel Links, Common Charity, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 251,739 times.
Printings (1):
- INOV-EN063 · Invasion: Vengeance · Common · released 2016-11-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.04 · TCGplayer $0.11 · eBay $0.99
Reference: https://ygoprodeck.com/card/a-cell-recombination-device-7614

## "A" Cell Scatter Burst
Passcode: 73262676 · Konami ID: 6994
Card type: Quick-Play Spell
Archetype: Alien
Earlier (beta) name: A Cell Scatter Burst
First released: OCG 2006-11-16 · TCG 2007-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: Select 1 face-up "Alien" monster you control. Destroy it and distribute new A-Counters equal to its Level among your opponent's face-up monsters.
Summary: "A" Cell Scatter Burst is a Quick-Play Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 16 November 2006 and in the TCG on 28 February 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 198,348 times.
Printings (1):
- STON-EN041 · Strike of Neos · Common · released 2007-02-28
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.10 · TCGplayer $0.13 · eBay $2.00
Reference: https://ygoprodeck.com/card/a-cell-scatter-burst-9737

## Alien Ammonite
Passcode: 652362 · Konami ID: 8034
Card type: Tuner Effect Monster [Reptile / Tuner / Effect]
Stats: LIGHT · Level 1 · ATK 500 / DEF 200
Archetype: Alien
First released: OCG 2008-11-15 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: When this card is Normal Summoned, you can Special Summon 1 Level 4 or lower "Alien" monster from your Graveyard. Destroy it during the End Phase.
Summary: Alien Ammonite is a Level 1 LIGHT Reptile Tuner Monster with 500 ATK and 200 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 November 2008 and in the TCG on 28 February 2009. It has 2 TCG printings across 2 products, in 2 rarities: Rare and Ultra Rare. The earliest is CRMS-EN039 in Crimson Crisis (3 March 2009); the most recent is GFP2-EN100 in Ghosts From the Past: The 2nd Haunting (5 May 2022). It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 151,938 times.
Printings (2):
- CRMS-EN039 · Crimson Crisis · Rare · released 2009-03-03
- GFP2-EN100 · Ghosts From the Past: The 2nd Haunting · Ultra Rare · released 2022-05-05 · listed $0.90
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.24 · TCGplayer $0.20 · eBay $1.50
Reference: https://ygoprodeck.com/card/alien-ammonite-61

## Alien Brain
Passcode: 17490535 · Konami ID: 8686
Card type: Normal Trap
Archetype: Alien
First released: OCG 2009-11-14 · TCG 2010-02-12
Banlist: Unlimited on all tracked lists
Formats: Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: When a Reptile-Type monster you control is destroyed by battle with an opponent's attacking monster and sent to the Graveyard: Take control of the opponent's monster, and if you do, it becomes Reptile-Type.
Summary: Alien Brain is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 14 November 2009 and in the TCG on 12 February 2010. It has 5 TCG printings across 4 products, in 2 rarities: Common and Shatterfoil Rare. The earliest is ABPF-EN075 in Absolute Powerforce (12 February 2010); the most recent is OP16-PT021 in OTS Tournament Pack 16 (POR) (9 June 2021). It is available in 5 formats: Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 84,055 times.
Printings (5):
- ABPF-EN075 · Absolute Powerforce · Common · released 2010-02-12
- BP03-EN215 · Battle Pack 3: Monster League · Common · released 2014-07-31
- BP03-EN215 · Battle Pack 3: Monster League · Shatterfoil Rare · released 2014-07-31
- OP16-EN021 · OTS Tournament Pack 16 · Common · released 2021-06-09
- OP16-PT021 · OTS Tournament Pack 16 (POR) · Common · released 2021-06-09
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.14 · TCGplayer $0.11 · eBay $0.99
Reference: https://ygoprodeck.com/card/alien-brain-1517

## Alien Dog
Passcode: 15475415 · Konami ID: 8185
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 3 · ATK 1500 / DEF 1000
Archetype: Alien
First released: OCG 2009-02-14 · TCG 2009-05-02
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: When you Normal Summon an "Alien" monster, you can Special Summon this card from your hand. When you do, place 2 A-Counters on face-up monster(s) your opponent controls.
Summary: Alien Dog is a Level 3 LIGHT Reptile Effect Monster with 1500 ATK and 1000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 14 February 2009 and in the TCG on 2 May 2009. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 109,905 times.
Printings (1):
- RGBT-EN033 · Raging Battle · Common · released 2009-05-12
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.16 · TCGplayer $0.43 · eBay $1.95
Reference: https://ygoprodeck.com/card/alien-dog-1331

## Alien Grey
Passcode: 62437709 · Konami ID: 6800
Card type: Flip Effect Monster [Reptile / Flip / Effect]
Stats: LIGHT · Level 2 · ATK 300 / DEF 800
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: FLIP: Place 1 A-Counter on 1 face-up monster on your opponent's side of the field. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.) After this card has been flipped face-up, when it is destroyed by battle and sent to the Graveyard, draw 1 card.
Summary: Alien Grey is a Level 2 LIGHT Reptile Flip Effect Monster with 300 ATK and 800 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 99,858 times.
Printings (1):
- POTD-EN024 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.19 · TCGplayer $0.25 · eBay $1.36
Reference: https://ygoprodeck.com/card/alien-grey-5280

## Alien Hunter
Passcode: 62315111 · Konami ID: 6803
Card type: Effect Monster [Reptile / Effect]
Stats: WATER · Level 4 · ATK 1600 / DEF 800
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: If this card destroys a monster with an A-Counter by battle, it can attack once again in a row.
Summary: Alien Hunter is a Level 4 WATER Reptile Effect Monster with 1600 ATK and 800 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 73,305 times.
Printings (1):
- POTD-EN026 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.13 · TCGplayer $0.17 · eBay $1.50
Reference: https://ygoprodeck.com/card/alien-hunter-5269

## Alien Hypno
Passcode: 38468214 · Konami ID: 7300
Card type: Gemini Effect Monster [Reptile / Gemini / Effect]
Stats: WATER · Level 4 · ATK 1600 / DEF 700
Archetype: Alien
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect: ● During your Main Phase, you can select 1 monster your opponent controls with an A-Counter(s), and take control of it while this card is on the field. During each of your End Phases, remove 1 A-Counter from each controlled monster. If all A-Counters are removed from one of these monsters, destroy it.
Summary: Alien Hypno is a Level 4 WATER Reptile Gemini Monster with 1600 ATK and 700 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 65,513 times.
Printings (1):
- GLAS-EN035 · Gladiator's Assault · Common · released 2007-11-14
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.32 · TCGplayer $0.53 · eBay $1.00
Reference: https://ygoprodeck.com/card/alien-hypno-3257

## Alien Infiltrator
Passcode: 76573247 · Konami ID: 6897
Card type: Effect Monster [Reptile / Effect]
Stats: EARTH · Level 2 · ATK 800 / DEF 500
Archetype: Alien
First released: OCG 2006-08-10 · TCG 2006-11-15
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Once per turn, this card can move to an adjacent (horizontal) unoccupied Monster Card Zone. If no Spell, Trap or Monster Card on your opponent's side of the field is in the same column as this card, it can attack your opponent directly.
Summary: Alien Infiltrator is a Level 2 EARTH Reptile Effect Monster with 800 ATK and 500 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 10 August 2006 and in the TCG on 15 November 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 46,340 times.
Printings (1):
- CDIP-EN033 · Cyberdark Impact · Common · released 2006-11-15
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.21 · TCGplayer $0.12 · eBay $0.99
Reference: https://ygoprodeck.com/card/alien-infiltrator-6444

## Alien Kid
Passcode: 64160836 · Konami ID: 8142
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 4 · ATK 1600 / DEF 700
Archetype: Alien
First released: OCG 2009-09-19 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: Place 1 A-Counter on all monsters Special Summoned to your opponent's side of the field. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Summary: Alien Kid is a Level 4 LIGHT Reptile Effect Monster with 1600 ATK and 700 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 19 September 2009 and in the TCG on 28 February 2009. It has 1 TCG printing across 1 product, in 1 rarity: Super Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 82,778 times.
Printings (1):
- CRMS-EN084 · Crimson Crisis · Super Rare · released 2009-03-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €5.30 · TCGplayer $9.45 · eBay $9.99
Reference: https://ygoprodeck.com/card/alien-kid-5411

## Alien Mars
Passcode: 99532708 · Konami ID: 6801
Card type: Effect Monster [Reptile / Effect]
Stats: FIRE · Level 3 · ATK 1000 / DEF 1000
Archetype: Alien
First released: OCG 2006-08-10 · TCG 2006-11-15
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: The effects of Effect Monsters with A-Counters are negated, except for "Alien Mars".
Summary: Alien Mars is a Level 3 FIRE Reptile Effect Monster with 1000 ATK and 1000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 10 August 2006 and in the TCG on 15 November 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 64,673 times.
Printings (1):
- CDIP-EN034 · Cyberdark Impact · Common · released 2006-11-15
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.09 · TCGplayer $0.19 · eBay $1.00
Reference: https://ygoprodeck.com/card/alien-mars-8265

## Alien Mother
Passcode: 24104865 · Konami ID: 6805
Card type: Effect Monster [Reptile / Effect]
Stats: DARK · Level 6 · ATK 2300 / DEF 1500
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: If this card destroys a monster with an A-Counter by battle and sends it to the Graveyard, Special Summon the destroyed monster to your side of the field at the end of the Battle Phase. When this card is removed from the field, all monsters that were Special Summoned by this card's effect are destroyed.
Summary: Alien Mother is a Level 6 DARK Reptile Effect Monster with 2300 ATK and 1500 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 3 TCG printings across 2 products, in 3 rarities: Rare, Ultimate Rare and Common. The earliest is POTD-EN028 in Power of the Duelist (16 August 2006); the most recent is CP08-EN017 in Champion Pack: Game Eight (5 January 2009). It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 92,043 times.
Printings (3):
- POTD-EN028 · Power of the Duelist · Rare · released 2006-08-16
- POTD-EN028 · Power of the Duelist · Ultimate Rare · released 2006-08-16
- CP08-EN017 · Champion Pack: Game Eight · Common · released 2009-01-05
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.53 · TCGplayer $0.46 · eBay $4.95
Reference: https://ygoprodeck.com/card/alien-mother-2083

## Alien Overlord
Passcode: 63253763 · Konami ID: 8033
Card type: Effect Monster [Reptile / Effect]
Stats: DARK · Level 6 · ATK 2200 / DEF 1600
Archetype: Alien
First released: OCG 2008-11-15 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: You can remove 2 A-Counters from anywhere on the field to Special Summon this card from your hand. Once per turn, you can place 1 A-Counter on each face-up monster your opponent controls. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.) You can only control 1 "Alien Overlord".
Summary: Alien Overlord is a Level 6 DARK Reptile Effect Monster with 2200 ATK and 1600 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 November 2008 and in the TCG on 28 February 2009. It has 1 TCG printing across 1 product, in 1 rarity: Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 108,096 times.
Printings (1):
- CRMS-EN038 · Crimson Crisis · Rare · released 2009-03-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €1.03 · TCGplayer $0.96 · eBay $1.65
Reference: https://ygoprodeck.com/card/alien-overlord-5343

## Alien Psychic
Passcode: 58012107 · Konami ID: 6987
Card type: Effect Monster [Reptile / Effect]
Stats: DARK · Level 1 · ATK 200 / DEF 100
Archetype: Alien
First released: OCG 2006-11-16 · TCG 2007-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: This card is changed to Defense Position when it is Normal Summoned or Flip Summoned. Monsters with A-Counters cannot declare an attack.
Summary: Alien Psychic is a Level 1 DARK Reptile Effect Monster with 200 ATK and 100 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 16 November 2006 and in the TCG on 28 February 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 53,590 times.
Printings (1):
- STON-EN031 · Strike of Neos · Common · released 2007-02-28
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.15 · TCGplayer $0.13 · eBay $1.50
Reference: https://ygoprodeck.com/card/alien-psychic-4935

## Alien Shocktrooper
Passcode: 97127906 · Konami ID: 7190
Card type: Normal Monster [Reptile / Normal]
Stats: EARTH · Level 4 · ATK 1900 / DEF 800
Archetype: Alien
First released: OCG 2007-05-12 · TCG 2007-08-15
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: The Aliens have used a mysterious biological substance to create a supreme race of soldiers. They do not have the natural powers of the other Aliens, but can make stunning physical attacks.
Summary: Alien Shocktrooper is a Level 4 EARTH Reptile Normal Monster with 1900 ATK and 800 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 12 May 2007 and in the TCG on 15 August 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 138,969 times.
Printings (1):
- TAEV-EN001 · Tactical Evolution · Common · released 2007-08-15
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.90 · TCGplayer $0.67 · eBay $0.99
Reference: https://ygoprodeck.com/card/alien-shocktrooper-8080

## Alien Shocktrooper M-Frame
Passcode: 74974229 · Konami ID: 14197
Card type: Link Effect Monster [Reptile / Link / Effect]
Stats: LIGHT · Link-2 · ATK 1900
Link Arrows: Bottom-Left, Bottom-Right
Archetype: Alien
Earlier (beta) name: Alien Shocktrooper Mighty/Frame
First released: OCG 2018-11-23 · TCG 2020-03-19
Banlist: Unlimited on all tracked lists
Formats: TCG, OCG, Master Duel
Master Duel rarity: Ultra Rare
Card text: 2 Reptile monsters (Quick Effect): You can discard 1 monster; place A-Counters equal to its original Level on face-up monster(s) on the field, distributed as you wish. If this card is destroyed by battle or card effect and sent to the GY: You can Special Summon non-Link Reptile monsters with different names from your GY, up to the number of monsters your opponent controls with A-Counters. You can only use each effect of "Alien Shocktrooper M-Frame" once per turn.
Summary: Alien Shocktrooper M-Frame is a Link-2 LIGHT Reptile Link Monster with 1900 ATK. Its Link Arrows point bottom-left and bottom-right. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 23 November 2018 and in the TCG on 19 March 2020. It has 1 TCG printing across 1 product, in 1 rarity: Ultra Rare. It is available in 3 formats: TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 147,620 times.
Printings (1):
- DUOV-EN003 · Duel Overload · Ultra Rare · released 2020-03-19 · listed $1.59
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.23 · TCGplayer $0.30 · eBay $0.99
Reference: https://ygoprodeck.com/card/alien-shocktrooper-m-frame-9887

## Alien Skull
Passcode: 25920413 · Konami ID: 6802
Card type: Effect Monster [Reptile / Effect]
Stats: WIND · Level 4 · ATK 1600 / DEF 1800
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: You can Tribute 1 face-up Level 3 or lower monster on your opponent's side of the field to Special Summon this card to your opponent's side of the field. If you Special Summon this monster this way, place 1 A-Counter on this card, and you cannot Normal Summon or Set the same turn. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Summary: Alien Skull is a Level 4 WIND Reptile Effect Monster with 1600 ATK and 1800 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 64,999 times.
Printings (1):
- POTD-EN025 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.16 · TCGplayer $0.16 · eBay $1.50
Reference: https://ygoprodeck.com/card/alien-skull-2233

## Alien Stealthbuster
Passcode: 58066722 · Konami ID: 16210
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 4 · ATK 1700 / DEF 1500
Archetype: Alien
Earlier (beta) name: Alien Buster
First released: OCG 2021-04-17 · TCG 2021-08-12
Banlist: Unlimited on all tracked lists
Formats: Common Charity, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: If this card is sent to the GY: You can target 1 face-up monster on the field; place 2 A-Counters on it. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 1 card with an A-Counter; destroy it. You can only use each effect of "Alien Stealthbuster" once per turn.
Summary: Alien Stealthbuster is a Level 4 LIGHT Reptile Effect Monster with 1700 ATK and 1500 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 17 April 2021 and in the TCG on 12 August 2021. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 4 formats: Common Charity, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 84,340 times.
Printings (1):
- DAMA-EN021 · Dawn of Majesty · Common · released 2021-08-12 · listed $0.91
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.02 · TCGplayer $0.08 · eBay $0.99
Reference: https://ygoprodeck.com/card/alien-stealthbuster-12108

## Alien Telepath
Passcode: 91070115 · Konami ID: 7299
Card type: Effect Monster [Reptile / Effect]
Stats: FIRE · Level 4 · ATK 1600 / DEF 1000
Archetype: Alien
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: Once per turn, you can remove 1 A-Counter from an opponent's monster to destroy 1 Spell or Trap Card. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Summary: Alien Telepath is a Level 4 FIRE Reptile Effect Monster with 1600 ATK and 1000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 1 TCG printing across 1 product, in 1 rarity: Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 77,971 times.
Printings (1):
- GLAS-EN034 · Gladiator's Assault · Rare · released 2007-11-14
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €2.33 · TCGplayer $4.87 · eBay $3.99
Reference: https://ygoprodeck.com/card/alien-telepath-7603

## Alien Warrior
Passcode: 98719226 · Konami ID: 6804
Card type: Effect Monster [Reptile / Effect]
Stats: EARTH · Level 4 · ATK 1800 / DEF 1000
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: When this card is destroyed by battle and sent to the Graveyard, place 2 A-Counters on the monster that destroyed it. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Summary: Alien Warrior is a Level 4 EARTH Reptile Effect Monster with 1800 ATK and 1000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 3 TCG printings across 2 products, in 3 rarities: Rare, Ultimate Rare and Common. The earliest is POTD-EN027 in Power of the Duelist (16 August 2006); the most recent is CP08-EN016 in Champion Pack: Game Eight (5 January 2009). It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 148,266 times.
Printings (3):
- POTD-EN027 · Power of the Duelist · Rare · released 2006-08-16
- POTD-EN027 · Power of the Duelist · Ultimate Rare · released 2006-08-16
- CP08-EN016 · Champion Pack: Game Eight · Common · released 2009-01-05
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €1.13 · TCGplayer $2.07 · eBay $11.99
Reference: https://ygoprodeck.com/card/alien-warrior-8201

## Brainwashing Beam
Passcode: 59258334 · Konami ID: 6812
Card type: Continuous Trap
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Select 1 monster with at least 1 A-Counter on your opponent's side of the field and take control of that monster. During each of your End Phases, remove 1 A-Counter from that controlled monster. If all A-Counters are removed from that monster, or that monster is destroyed, destroy this card.
Summary: Brainwashing Beam is a Continuous Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 77,943 times.
Printings (1):
- POTD-EN060 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.17 · TCGplayer $0.12 · eBay $1.00
Reference: https://ygoprodeck.com/card/brainwashing-beam-5037

## Cell Explosion Virus
Passcode: 84491298 · Konami ID: 7325
Card type: Normal Trap
Archetype: Alien
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Activate only when an opponent's monster with an A-Counter declares an attack. Destroy all Attack Position monsters your opponent controls.
Summary: Cell Explosion Virus is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 2 TCG printings across 2 products, in 2 rarities: Rare and Common. The earliest is GLAS-EN076 in Gladiator's Assault (14 November 2007); the most recent is CP08-EN020 in Champion Pack: Game Eight (5 January 2009). It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 47,414 times.
Printings (2):
- GLAS-EN076 · Gladiator's Assault · Rare · released 2007-11-14
- CP08-EN020 · Champion Pack: Game Eight · Common · released 2009-01-05
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.50 · TCGplayer $0.43 · eBay $1.75
Reference: https://ygoprodeck.com/card/cell-explosion-virus-7089

## Code A Ancient Ruins
Passcode: 99342953 · Konami ID: 8146
Card type: Continuous Spell
Archetype: Alien
First released: OCG 2009-09-19 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Rare
Card text: Each time a face-up "Alien" monster(s) is destroyed, place 1 A-Counter on this card. Once per turn, you can remove 2 A-Counters from anywhere on the field to Special Summon 1 "Alien" monster from your Graveyard.
Summary: Code A Ancient Ruins is a Continuous Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 19 September 2009 and in the TCG on 28 February 2009. It has 1 TCG printing across 1 product, in 1 rarity: Super Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 90,673 times.
Printings (1):
- CRMS-EN088 · Crimson Crisis · Super Rare · released 2009-03-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €2.98 · TCGplayer $5.09 · eBay $3.55
Reference: https://ygoprodeck.com/card/code-a-ancient-ruins-8248

## Corruption Cell "A"
Passcode: 2561846 · Konami ID: 6898
Card type: Normal Spell
Archetype: Alien
Earlier (beta) name: Corruption Cell A
First released: OCG 2006-08-10 · TCG 2006-11-15
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Place 1 A-Counter on 1 face-up monster on your opponent's side of the field.
Summary: Corruption Cell "A" is a Normal Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 10 August 2006 and in the TCG on 15 November 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 42,391 times.
Printings (1):
- CDIP-EN037 · Cyberdark Impact · Common · released 2006-11-15
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.11 · TCGplayer $0.11 · eBay $2.42
Reference: https://ygoprodeck.com/card/corruption-cell-a-233

## Cosmic Fortress Gol'gar
Passcode: 68319538 · Konami ID: 8039
Card type: Synchro Effect Monster [Reptile / Synchro / Effect]
Stats: LIGHT · Level 5 · ATK 2600 / DEF 1800
Archetype: Alien
First released: OCG 2008-11-15 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Ultra Rare
Card text: "Alien Ammonite" + 1 or more non-Tuner "Alien" monsters Once per turn, you can select any number of face-up Spell or Trap Cards. Return those cards to their owners' hands, and distribute new A-Counters among monsters on the field equal to the number of cards returned. Once per turn, you can remove 2 A-Counters from anywhere on the field to destroy 1 card your opponent controls.
Summary: Cosmic Fortress Gol'gar is a Level 5 LIGHT Reptile Synchro Monster with 2600 ATK and 1800 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 November 2008 and in the TCG on 28 February 2009. It has 2 TCG printings across 1 product, in 2 rarities: Ultimate Rare and Ultra Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 120,494 times.
Printings (2):
- CRMS-EN044 · Crimson Crisis · Ultimate Rare · released 2009-03-03
- CRMS-EN044 · Crimson Crisis · Ultra Rare · released 2009-03-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €16.93 · TCGplayer $32.46 · eBay $19.99
Reference: https://ygoprodeck.com/card/cosmic-fortress-gol-gar-5740

## Cosmic Horror Gangi'el
Passcode: 51192573 · Konami ID: 6806
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 7 · ATK 2600 / DEF 2000
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: If you're Tributing a monster on your side of the field that is owned by your opponent, this card can be Normal Summoned with 1 Tribute. Once per turn, you can place 1 A-Counter on a monster on your opponent's side of the field. (If a monster with an A-Counter battles an "Alien" monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Summary: Cosmic Horror Gangi'el is a Level 7 LIGHT Reptile Effect Monster with 2600 ATK and 2000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 2 TCG printings across 1 product, in 2 rarities: Rare and Ultimate Rare. It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 68,818 times.
Printings (2):
- POTD-EN029 · Power of the Duelist · Rare · released 2006-08-16
- POTD-EN029 · Power of the Duelist · Ultimate Rare · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.63 · TCGplayer $0.30 · eBay $12.95
Reference: https://ygoprodeck.com/card/cosmic-horror-gangi-el-4353

## Cosmic Slicer Zer'oll
Passcode: 1487805 · Konami ID: 16236
Card type: Link Effect Monster [Reptile / Link / Effect]
Stats: LIGHT · Link-3 · ATK 2600
Link Arrows: Top, Bottom-Left, Bottom-Right
Archetype: Alien
Earlier (beta) name: Cosmic Pincer Ze'loor
First released: OCG 2021-04-17 · TCG 2021-08-12
Banlist: Unlimited on all tracked lists
Formats: Common Charity, Speed Duel, TCG, OCG, Master Duel
Master Duel rarity: Ultra Rare
Card text: 2+ Reptile monsters Monsters your opponent controls with A-Counters are changed to Defense Position, also neither player can activate their effects. You can only use each of the following effects of "Cosmic Slicer Zer'oll" once per turn. If this card is Link Summoned: You can add 1 card from your Deck to your hand that has an effect that places A-Counter(s). You can remove 2 A-Counters from anywhere on the field; immediately after this effect resolves, Normal Summon 1 Reptile monster.
Summary: Cosmic Slicer Zer'oll is a Link-3 LIGHT Reptile Link Monster with 2600 ATK. Its Link Arrows point top, bottom-left and bottom-right. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 17 April 2021 and in the TCG on 12 August 2021. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 5 formats: Common Charity, Speed Duel, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 93,571 times.
Printings (1):
- DAMA-EN047 · Dawn of Majesty · Common · released 2021-08-12 · listed $0.93
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.03 · TCGplayer $0.20 · eBay $0.99
Reference: https://ygoprodeck.com/card/cosmic-slicer-zer-oll-12109

## Crop Circles
Passcode: 24082387 · Konami ID: 6808
Card type: Normal Trap
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Send any number of monsters from your side of the field to the Graveyard to activate this card. Select from your Deck 1 "Alien" monster whose Level is equal to the total Levels of the sent monsters, and Special Summon it. If you fail to find a monster to Special Summon, you take 2000 damage.
Summary: Crop Circles is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 39,902 times.
Printings (1):
- POTD-EN051 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.11 · TCGplayer $0.16 · eBay $1.50
Reference: https://ygoprodeck.com/card/crop-circles-2076

## Detonator Circle "A"
Passcode: 20985997 · Konami ID: 7326
Card type: Normal Trap
Archetype: Alien
Earlier (beta) name: Detonator Circle 
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Destroy 1 face-up monster with an A-Counter(s), and then inflict 1000 damage to each player.
Summary: Detonator Circle "A" is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 29,539 times.
Printings (1):
- GLAS-EN077 · Gladiator's Assault · Common · released 2007-11-14
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.08 · TCGplayer $0.36 · eBay $1.95
Reference: https://ygoprodeck.com/card/detonator-circle-a-1803

## Flying Saucer Muusik'i
Passcode: 97697678 · Konami ID: 6807
Card type: Effect Monster [Machine / Effect]
Stats: LIGHT · Level 5 · ATK 1000 / DEF 2000
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: While this card is face-up on the field, you can select and add 1 "Alien" card from your Deck to your hand instead of conducting your normal draw during your Draw Phase.
Summary: Flying Saucer Muusik'i is a Level 5 LIGHT Machine Effect Monster with 1000 ATK and 2000 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 49,829 times.
Printings (1):
- POTD-EN030 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.09 · TCGplayer $0.10 · eBay $0.99
Reference: https://ygoprodeck.com/card/flying-saucer-muusik-i-8124

## I.A.S. -Invasive Alien Species-
Passcode: 71768839 · Konami ID: 19165
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 4 · ATK 1600 / DEF 0
Archetype: Alien
Earlier (beta) name: Invasive Alien Species - I.A.S
First released: OCG 2023-07-22 · TCG 2023-10-19
Banlist: Unlimited on all tracked lists
Formats: Common Charity, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: Cannot be destroyed by battle or card effects while your opponent has a face-up card in their Field Zone. You can only use each of the following effects of "I.A.S. -Invasive Alien Species-" once per turn. If your opponent has a face-up card in their Field Zone: You can target 1 monster they control; destroy it, and if you do, this card gains 1000 ATK. If your opponent has a face-up card in their Field Zone, while this card is in your GY: You can Special Summon this card.
Summary: I.A.S. -Invasive Alien Species- is a Level 4 LIGHT Reptile Effect Monster with 1600 ATK and 0 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 22 July 2023 and in the TCG on 19 October 2023. It has 2 TCG printings across 2 products, in 2 rarities: Common and Ultra Rare. The earliest is AGOV-EN023 in Age of Overlord (19 October 2023); the most recent is MP24-EN236 in 25th Anniversary Tin: Dueling Mirrors (19 September 2024). It is available in 4 formats: Common Charity, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 30,358 times.
Printings (2):
- AGOV-EN023 · Age of Overlord · Common · released 2023-10-19
- MP24-EN236 · 25th Anniversary Tin: Dueling Mirrors · Ultra Rare · released 2024-09-19
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.08 · TCGplayer $0.14
Reference: https://ygoprodeck.com/card/i-a-s-invasive-alien-species-14089

## Interdimensional Warp
Passcode: 57384901 · Konami ID: 7327
Card type: Normal Trap
Archetype: Alien
First released: OCG 2007-07-21 · TCG 2007-11-14
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Select a monster you control and a monster with an A-Counter(s) your opponent controls. Switch control of those monsters.
Summary: Interdimensional Warp is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 21 July 2007 and in the TCG on 14 November 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 34,618 times.
Printings (1):
- GLAS-EN078 · Gladiator's Assault · Common · released 2007-11-14
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.12 · TCGplayer $0.14 · eBay $0.99
Reference: https://ygoprodeck.com/card/interdimensional-warp-4889

## Interplanetary Invader "A"
Passcode: 14729426 · Konami ID: 7607
Card type: Effect Monster [Reptile / Effect]
Stats: LIGHT · Level 1 · ATK 0 / DEF 500
Archetype: Alien
Earlier (beta) name: Interplanetary Invader A
First released: OCG 2008-02-23 · TCG 2008-05-03
Banlist: Unlimited on all tracked lists
Formats: Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Gain control of a monster that attacks this face-up Attack Position card, at the end of the Battle Phase.
Summary: Interplanetary Invader "A" is a Level 1 LIGHT Reptile Effect Monster with 0 ATK and 500 DEF. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 23 February 2008 and in the TCG on 3 May 2008. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 5 formats: Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 36,944 times.
Printings (1):
- LODT-EN034 · Light of Destruction · Common · released 2008-05-13
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.07 · TCGplayer $0.10 · eBay $0.99
Reference: https://ygoprodeck.com/card/interplanetary-invader-a-1257

## Mass Hypnosis
Passcode: 21768554 · Konami ID: 7140
Card type: Continuous Trap
Archetype: Alien
First released: OCG 2007-02-15 · TCG 2007-05-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Activate only while you control an "Alien" monster. Select and take control of up to 3 of your opponent's monsters that each have an A-Counter(s) on them. This card is destroyed during the End Phase of the turn it is activated.
Summary: Mass Hypnosis is a Continuous Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 February 2007 and in the TCG on 16 May 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 7 formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 51,053 times.
Printings (1):
- FOTB-EN058 · Force of the Breaker · Common · released 2007-05-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.12 · TCGplayer $0.17 · eBay $1.24
Reference: https://ygoprodeck.com/card/mass-hypnosis-1871

## Mysterious Triangle
Passcode: 53291093 · Konami ID: 8057
Card type: Quick-Play Spell
Archetype: Alien
First released: OCG 2008-11-15 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Destroy 1 monster on the field with an A-Counter. Then, you can Special Summon 1 Level 4 "Alien" monster from your Deck. Destroy it during the End Phase.
Summary: Mysterious Triangle is a Quick-Play Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 November 2008 and in the TCG on 28 February 2009. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 75,099 times.
Printings (1):
- CRMS-EN062 · Crimson Crisis · Common · released 2009-03-03
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.15 · TCGplayer $0.39 · eBay $1.55
Reference: https://ygoprodeck.com/card/mysterious-triangle-4541

## Orbital Bombardment
Passcode: 96875080 · Konami ID: 6810
Card type: Normal Trap
Archetype: Alien
First released: OCG 2006-05-18 · TCG 2006-08-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: Send 1 "Alien" monster from your side of the field to the Graveyard to activate this card. Destroy 1 Spell or Trap Card on the field.
Summary: Orbital Bombardment is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 18 May 2006 and in the TCG on 16 August 2006. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 6 formats: Duel Links, Common Charity, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 38,773 times.
Printings (1):
- POTD-EN053 · Power of the Duelist · Common · released 2006-08-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.06 · TCGplayer $0.11 · eBay $0.99
Reference: https://ygoprodeck.com/card/orbital-bombardment-8058

## Otherworld - The "A" Zone
Passcode: 60946968 · Konami ID: 7129
Card type: Field Spell
Archetype: Alien
Earlier (beta) name: Otherworld - The A Zone
First released: OCG 2007-02-15 · TCG 2007-05-16
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel
Master Duel rarity: Common
Card text: If your opponent's monster battles an "Alien" monster you control, the opponent's monster loses 300 ATK and DEF during damage calculation only.
Summary: Otherworld - The "A" Zone is a Field Spell Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 February 2007 and in the TCG on 16 May 2007. It has 1 TCG printing across 1 product, in 1 rarity: Common. It is available in 7 formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 41,803 times.
Printings (1):
- FOTB-EN044 · Force of the Breaker · Common · released 2007-05-16
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.07 · TCGplayer $0.20 · eBay $0.99
Reference: https://ygoprodeck.com/card/otherworld-the-a-zone-5169

## Planet Pollutant Virus
Passcode: 39163598 · Konami ID: 8075
Card type: Normal Trap
Archetype: Alien
First released: OCG 2008-11-15 · TCG 2009-02-28
Banlist: Unlimited on all tracked lists
Formats: Duel Links, Edison, TCG, OCG, Master Duel
Master Duel rarity: Super Rare
Card text: Tribute 1 "Alien" monster. Destroy all face-up monsters without A-Counters your opponent controls. Until the end of your opponent's 3rd turn after this card's activation, place 1 A-Counter on each monster they Summon.
Summary: Planet Pollutant Virus is a Normal Trap Card. It belongs to the "Alien" archetype, which has 40 cards in the database. It was first released in the Japanese OCG on 15 November 2008 and in the TCG on 28 February 2009. It has 2 TCG printings across 2 products, in 2 rarities: Rare and Super Rare. The earliest is CRMS-EN080 in Crimson Crisis (3 March 2009); the most recent is OP28-EN011 in OTS Tournament Pack 28 (18 June 2025). It is available in 5 formats: Duel Links, Edison, TCG, OCG and Master Duel. Its YGOPRODeck page has been viewed 110,264 times.
Printings (2):
- CRMS-EN080 · Crimson Crisis · Rare · released 2009-03-03
- OP28-EN011 · OTS Tournament Pack 28 · Super Rare · released 2025-06-18
Market prices listed on YGOPRODeck (2026-10-25): Cardmarket €0.22 · TCGplayer $0.21 · eBay $2.95
Reference: https://ygoprodeck.com/card/planet-pollutant-virus-3319