Ultimate Divine-Beast (EGS1-EN004) [Egyptian God Deck: Slifer the Sky Dragon]

When an opponent's monster declares an attack: You can discard 1 Spell/Trap, then target 1 Divine-Beast monster in your GY; Special Summon it in Defense Position, then change the attack target to it. During the End Phase, if you control a Divine-Beast monster: You can destroy all face-up cards your opponent controls that activated their effects on the field this turn. You can only use each effect of "Ultimate Divine-Beast" once per turn.