Raidraptor - Revolution Falcon

At the start of the Damage Step, if this card battles a face-up Special Summoned monster your opponent controls: You can make that monster's ATK and DEF become 0. You can detach 1 Xyz Material from this card; this card can attack all monsters your opponent controls, once each. If this card is Xyz Summoned by using a Rank 5 or lower "Raidraptor" Xyz Monster as Xyz Material: You can target 1 Special Summoned monster your opponent controls; destroy it, and if you do, inflict damage to your opponent equal to half the destroyed monster's ATK.