Incorrigible Lowlife

{p/r}{p/r}{p/r}{p/r}: Flip five coins. If you —
• Lose all coin flips, you lose the game.
• Win all coin flips, double your life total.
• Win all except the first or last flip, draw two cards, then discard a card at random.
Pay all but 6 life: Reflip the last coin flipped this turn. Activate once per game.