Karnikarus, Blood Carnage

Indestructible
Whenever you lose life, you may sacrifice any amount
of creatures. Prevent an amount of that life loss equal
to that creatures power.
Pay 3 life: Karnikarus gets +0/+2 until end of turn.
{w}{b}{r}, {t}: Create a 2/1 black and red Blood
Serpent creature token with deathtouch.