The Shapeshifting Titan

+1: Until your next turn, Beast Boy becomes a 3/3 green Ape creature with hexproof and "whenever this creature deals damage, draw a card."
+1: Until your next turn, Beast Boy becomes a 2/3 green Hawk creature with flying and "whenever this creature deals damage, draw a card."
-2: Until end of turn, Beast Boy becomes a 4/4 green Rhino creature with trample and "whenever this creature deals damage, draw a card."