Will of Hatesh

Ruthless (When you cast this spell, you may sacrifice any number of non-token creatures. Copy this spell for each creature sacrificed this way. You may choose new targets for the copies.)
Exile target creature. If a creature is exiled in this way, create a 2/2 black Zombie creature token. If you cast Will of Hatesh from your graveyard, each opponent loses 3 life and you gain 3 life.
Flashback - {b}{b}{b}{b}