Cazus Nall, Dreadmaster

+1: Exile target card with converted mana cost 2 or less from your graveyard. Until the end of your turn, you may cast that card from exile.
-4: Create a number of 1/1 green and black Zombie creature tokens equal to the total number of creature cards in all graveyards.
-8: You get an emblem with "Whenever you cast a creature spell, return target creature card from a graveyard to the battlefield under your control."