Hidan, Immortal Servant

Ninjutsu {2}{b} ({2}{b}, Return an unblocked attacker
you control to your hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever a creature is dealt damage by Hidan, Immortal Servant, put a blood counter on it.
{1}{b}{b}: Hidan, Immortal Servant deals damage
to itself and each creature with a blood counter
on it equal to its power.
All will worship Jashin. Or die.