Zafina, the Risen

+2: Until your next turn, you may cast sorcery spells as if they had flash
-2: Until your next turn, whenever you cast your next instant or sorcery spell, you copy that spell. You may choose new targets for that spell
-6: Whenever you cast your next instant or sorcery spell, copy that spell X times, where X is the number of instants or sorceries in your graveyard