Uncompromising Face Slap

As an additional cost to cast Uncompromising Face Slap, almost win the game.
Target opponent sacrifices all permanents he or she controls, then discards his or her hand. That player's life total becomes 0, he or she gains 10 poison counters, and he or she receives 21 Commander Damage. That player draws cards equal to the number of cards in his or her library plus one. That player loses the game and you win the game.