Cool but Rude (Teenage Mutant Ninja Turtles)

(Gain the next level as a sorcery to add its ability.) Whenever you attack, you may discard a card. If you do, draw a card. {1}{R}: Level 2 Whenever you discard a card, this Class deals 2 damage to each opponent. {1}{R}: Level 3 When this Class becomes level 3, search your library for a card, put it into your hand, shuffle, then discard a card at random.