Yu-Gi-Oh! "Alien" Archetype

This is a list of all the YuGiOh "Alien" monsters and support cards in our database.

Full List of YuGiOh Archetypes

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Card Name Type ATR Sub Type LVL ATK DEF Card Text Buy It
"A" Cell Recombination Device
91231901
Spell Quick-Play 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.
"A" Cell Scatter Burst
73262676
Spell Quick-Play 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.
Alien Ammonite
00652362
Tuner Monster LIGHT Reptile 1 500 200 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.
Alien Brain
17490535
Trap Normal Activate only 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 attacking monster, and treat it as a Reptile-Type monster.
Alien Dog
15475415
Effect Monster LIGHT Reptile 3 1500 1000 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.
Alien Grey
62437709
Flip/Effect Monster LIGHT Reptile 2 300 800 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.
Alien Hunter
62315111
Effect Monster WATER Reptile 4 1600 800 If this card destroys a monster with an A-Counter by battle, it can attack once again in a row.
Alien Hypno
38468214
Gemini Monster WATER Reptile 4 1600 700 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 those monsters, destroy it.
Alien Infiltrator
76573247
Effect Monster EARTH Reptile 2 800 500 Once per turn, this card can move to an adjacent 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.
Alien Kid
64160836
Effect Monster LIGHT Reptile 4 1600 700 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.)
Alien Mars
99532708
Effect Monster FIRE Reptile 3 1000 1000 The effects of Effect Monsters with A-Counters are negated, except for "Alien Mars".
Alien Mother
24104865
Effect Monster DARK Reptile 6 2300 1500 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.
Alien Overlord
63253763
Effect Monster DARK Reptile 6 2200 1600 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 face-up "Alien Overlord".
Alien Psychic
58012107
Effect Monster DARK Reptile 1 200 100 This card is changed to Defense Position when it is Normal Summoned or Flip Summoned. Monsters with A-Counters cannot declare an attack.
Alien Shocktrooper
97127906
Normal Monster EARTH Reptile 4 1900 800 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.
Alien Shocktrooper M-Frame
74974229
Link/Effect Monster LIGHT Reptile 1900 LINK-2 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.
Alien Skull
25920413
Effect Monster WIND Reptile 4 1600 1800 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.)
Alien Stealthbuster
58066722
Effect Monster LIGHT Reptile 4 1700 1500 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.
Alien Telepath
91070115
Effect Monster FIRE Reptile 4 1600 1000 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.)
Alien Warrior
98719226
Effect Monster EARTH Reptile 4 1800 1000 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.)
Code A Ancient Ruins
99342953
Spell Continuous 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.
Cosmic Fortress Gol'Gar
68319538
Synchro/Effect Monster LIGHT Reptile 5 2600 1800 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.
Cosmic Horror Gangi'el
51192573
Effect Monster LIGHT Reptile 7 2600 2000 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.)
Crop Circles
24082387
Trap Normal 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.
Flying Saucer Muusik'I
97697678
Effect Monster LIGHT Machine 5 1000 2000 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.
I.A.S. - Invasive Alien Species-
71768839
Effect Monster LIGHT Reptile 4 1600 0 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.
Mass Hypnosis
21768554
Trap Continuous 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.
Mysterious Triangle
53291093
Spell Quick-Play 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.
Orbital Bombardment
96875080
Trap Normal 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.
Otherworld - The "A" Zone
60946968
Spell Field If your opponent's monster battles an "Alien" monster you control, the opponent's monster loses 300 ATK and DEF during damage calculation only.
Planet Pollutant Virus
39163598
Trap Normal 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.
Card Name Type ATR Sub Type LVL ATK DEF Card Text Buy It
 This set contains 31 cards.