[The marvelcdb-text says "You may flip to your alter-ego form. Choose:", but the actual card says "Change form (flip your identity). Then:"]

A rather unique and particular nasty obligation. It never gets removed from the game, and Hulk's tiny hands can't do much after discarding two cards. Plus, many of his events key off of his prodigious native ATK, so either way it is rough. Oh, and it has 3 boost icons instead of the usual 2.