Aierto, the Subjugator

+4: Prevent all damage target creature would deal until your next turn. Create a 0/1 green plant creature token.
+2: Any number of plant creatures become 3/3 creatures, and up to three creatures become 1/1 creatures until end of turn.
0: Create two 0/1 green plant creature tokens. Whenever a creature is blocked before your next turn, its power becomes 0.