Bowser Jr, Koopa Prince

+2: Add one red or green mana to your mana pool, if this mana is spent for a creature spell, it gains riot.
-4: Look at the top five cards of your library, reveal up to two creature cards. Put one on the battlefield and the other in your hand.
-10: You gain an emblem with "At the beginning of your end step, create a 6/6 red and green dragohoho token with trample."