Acererak, the Godslayer

When Acererak enters the battlefield, put two
2/2 black zombie create tokens onto the
battlefield.
Pay 5 life, {t}, Sacrifice a creature: Acererak gains indestructible and protection from the color of
your choice until end of turn.
Once a turn, whenever you cast an instant or sorcery spell, you may copy that spell and select
new targets for the copy.