Domri, Chaos Bringer

+1: Add one red or green mana; If that mana is spent on a creature spell, it gains riot. -Enters the battlefield with a +1/+1 counter or haste.
-3: Look at top four of library. You may reveal up to two creature cards from among them; put them into your hand. Put rest on bottom at random.
-7: You get an emblem with "At the beginning of each end step, create a 4/4 red and green Beast creature token with trample."