Reward

When Reward enters the battlefield you gain X {e} counters
{t}: You gain {e} counter.
Pay 1 life: Untap Reward.
Pay {e}{e}, {t}: tap up to 2 target creatures, untap up to 2 other target creatures.
Pay {e}{e}{e}{e}{e}{e}, {t}: Destroy all other non-lands pernaments. Your life total becomes 1. On your next upkeep you win the game. This ability can only be activated on an opponents turn.