The Gambler

+1: Flip a coin, if its heads, you may draw two cards, if its tales you lose 5 life
0: Roll a D20, 1-9: lose 5 life, 10-19: draw two cards, 20: gain 5 life and draw three cards
-7: Flip 7 coins, for each heads result, exile a target permanent, for each tales result, lose 5 life