Rocksteady, Easily Angered is card 11 of 186 of the TMNT UniVersus card game.
Brute * Mutant
ENHANCE: Your Charge, Fury, or Slam attack gets +5 damage. Add the top card of your deck to your card pool face down.
RESPONSE: At the end of your Combat Phase, if you have 6 or more cards in your card pool, flip 1 non-character card in your rival's stage.