Exar Kun, Sith Alchemist

+1: Create a 1/1 Red Massassi Warrior token.
0: Exar Kun becomes a creature with First Strike and Power and Toughness equal to his Loyalty until end of turn. He cannot lose Loyalty this turn.
-8: All creatures on the battlefield are sacrificed. For each creature sacrificed this way, create a 4/4 Blue and Black Horror token