Gagaga Cowboy [AP05-EN002] Ultimate Rare Uncommon then target 1 Effect Monster

then target 1 Effect Monster your opponent controls

You can only use each effect of "Super Quantum Blue Layer" once per turn

this card can attack your opponent directly

If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material

Gagaga Cowboy [AP05-EN002] Ultimate Rare Uncommon then target 1 Effect MonsterSet: Astral Pack 5 Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 1500 Defense: 2400 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; apply this effect, depending on this card's battle position. Attack Position: If this card attacks an opponent's monster this turn, it gains 1000 ATK and the opponent's monster loses 500 ATK, during the Damage Step only. Defense Position: Inflict 800 damage to your opponent.