LIGHT 4

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.)

DARK 6

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".

FIRE 4

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.)

EARTH 4

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.)

DARK 3

If this card is sent from the field to the GY: Add 1 monster with 1500 or less ATK from your Deck to your hand, but you cannot activate cards, or the effects of cards, with that name for the rest of this turn. You can only use this effect of "Sangan" once per turn.

EARTH 4

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.

DARK 5

1 Tuner + 1+ non-Tuner monsters At the start of the Damage Step, if this card battles a face-up non-DARK monster: Destroy that monster.

FIRE 7

1 Tuner + 1+ non-Tuner monsters When this card is Synchro Summoned: You can destroy all cards on the field. Once per turn: You can banish 1 Plant monster from your GY, then target 1 Defense Position monster your opponent controls; change that target to face-up Attack Position, and if you do, its ATK becomes 0 until the end of this turn.

WATER 6

1 Tuner + 1+ non-Tuner monsters You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of "Brionac, Dragon of the Ice Barrier" once per turn.

LIGHT 5

"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.

DARK 8

1 Tuner + 1 or more non-Tuner DARK monsters Once per turn: You can target 1 monster your opponent controls; this card loses 500 ATK and DEF, and you send that target to the Graveyard.

EARTH 6

1 EARTH Tuner + 1 or more non-Tuner monsters When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can Special Summon that monster to your field in Defense Position.

DARK 8

1 Tuner + 1 or more non-Tuner monsters After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.

WIND 8

1 Tuner + 1+ non-Tuner monsters When a card or effect is activated that would destroy a card(s) on the field (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy it. During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your GY.

LIGHT 1

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.

DARK 2

If this card is in your GY: You can place 1 card from your hand on the top of the Deck; Special Summon this card, but banish it when it leaves the field.

Spell Quick

Target up to 3 banished monsters; return them to the GY.

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.

Spell Normal

Send 1 monster from your Deck to the GY.

Spell Normal

Banish 1 card from your Deck, face-up. During your second Standby Phase after this card's activation, add that card to the hand.

Spell Quick

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.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Spell Normal

Send 1 monster from your hand to the GY; Special Summon 1 Level 1 monster from your hand or Deck.

Spell Continuous

Activate by declaring 1 card name. Cards with that name, and their effects, cannot be used. Cards already on the field are not affected (including face-down cards).

Spell Continuous

Destroy this card during your 2nd Standby Phase after activation. When this card resolves, change all monsters your opponent controls to face-down Defense Position. Monsters your opponent controls cannot change their battle positions.

Spell Normal

After this card's activation, it remains on the field, but you must destroy it during the End Phase of your opponent's 3rd turn. When this card is activated: If your opponent controls a face-down monster, flip all monsters they control face-up. While this card is face-up on the field, your opponent's monsters cannot declare an attack.

Trap Continuous

Activate this card by targeting 1 monster in your GY; Special Summon that target in Attack Position. When this card leaves the field, destroy that monster. When that monster is destroyed, destroy this card.

Trap Counter

When your opponent activates a Spell/Trap Card: Your opponent draws 1 card, also negate the Spell/Trap activation, and if you do, destroy it.

Trap Normal

Target 1 Spell/Trap your opponent controls; destroy that target, then you can Set 1 Spell/Trap from your hand.

Trap Continuous

Activate this card by targeting 1 Effect Monster on the field; negate the effects of that face-up monster while it is on the field, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Trap Continuous

Level 4 or higher monsters cannot attack.

Trap Continuous

Neither player can banish cards.

Trap Continuous

Neither player can Tribute cards.

Trap Normal

Target 1 face-up Reptile-Type monster you control and 2 cards your opponent controls; destroy all three targets.

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.

Trap Continuous

Either player can pay 800 Life Points to negate the Special Summon of a monster(s), and/or an effect that Special Summons a monster(s), and destroy those cards.

Trap Counter

When a monster(s) would be Summoned, OR a Spell/Trap Card is activated: Pay half your LP; negate the Summon or activation, and if you do, destroy that card.

Trap Normal

When a card or effect is activated that would destroy 2 or more cards you control: Negate the effect, and if you do, destroy that card, then you can Special Summon 1 "Stardust Dragon" from your Extra Deck.

Trap Normal

When a monster(s) is Summoned: Destroy all monsters on the field.