Lich FTW

Each other non-Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

, Sacrifice a permanent: You gain 1 life.

As this enchantment enters, you lose life equal to your life total. You don't lose the game for having 0 or less life. If you would gain life, draw that many cards instead. Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game. When this enchantment is put into a graveyard from the battlefield, you lose the game.

Destroy target artifact or enchantment.

Flying You can't lose the game and your opponents can't win the game.