Raidraptor - Ultimate Falcon

Card text

3 Level 10 Winged Beast-Type monsters Unaffected by other cards' effects. You can detach 1 Xyz Material from this card; for the rest of this turn, all monsters your opponent controls will lose 1000 ATK, also your opponent's cards and effects cannot be activated. If this card has a "Raidraptor" monster as Xyz Material, it gains this effect. ● Once per turn, during the End Phase: You can make all monsters your opponent controls lose 1000 ATK. If your opponent controls no face-up monsters, inflict 1000 damage to your opponent.