Faceless Time

Split Second, Buyback {1}
If you would lose the game, you may cast this
card without paying its mana cost.
Until end of turn, whenever you lose life you are
put at 1 life instead, you can't lose the game and
your opponents can't win the game.
If you control your commander, put a Hexproof, Indestructible, or Reckoning counter on it.