Kurusa, the Vengeful

First Strike
If Kurasama, the Vengeful enters the battlefield
from your graveyard, it gains hast until end of
turn.
Whenever an instant or sorcery an opponent
controls would destroy Kurasama,the Vengeful,
that instant or sorcery's controller takes damage
equal to it's converted mana cost, then put
Kurasama onto the battlefield under it's owner's
control at the beginning of the next turn's upkeep.