Tibalt, Pawn of Bolas

0: You may discard a nonland card. If you do, draw a card and lose 2 life.
-1: You may discard a nonland card. If you do, Tibalt does 2 damage to target creature and you lose 2 life.
-2: You may discard a nonland card. If you do, draw two cards and lose 2 life.