Grionawa, Raiser of the Dead

Whenever a creature is placed into your graveyard, exile it instead. You may play creature cards exiled this way for their mana
cost. Whenever you cast a creature from exile, place a +1/+1 counter equal to that card's
power onto target creature. You may do this
only as a sorcery.
Sacrifice another creature: Regenerate Grionawa, Raiser of the Dead.