2 Level 8 Winged Beast-Type monsters

If this card is Xyz Summoned by using a "Raidraptor" monster as Material: You can destroy all Spell and Trap Cards your opponent controls. Your opponent cannot activate cards or effects in response to this effect's activation. During either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; it loses 800 ATK for each "Raidraptor" monster in your Graveyard.