Bujingi Crow

① If a Beast-Warrior "Bujin" monster you control is targeted for an attack by an opponent's monster:
You can send this card from your hand to the GY; negate the attack, and if you do,
your opponent takes damage equal to half that face-up attacking monster's ATK.
(You can only use the effect of "Bujingi Crow" once per turn).