Asri, Simic Outcast

0: When a creature an opponent controls dies, create a 2/2 black & green zombie token.
+2: Until your next turn, Asri, Simic Outcast becomes a copy of target creature in your graveyard. If destroyed, return her to the battlefield.
-8: Asri, Simic Outcast becomes an 8/8 Elemental Avatar with indestructible, trample, vigilance and reach that can block an additional creature.