Liliana's Other Contract

Enchantment

When Liliana's Other Contract enters the battlefield, you draw three cards and you lose 3 life.
If you would lose the game, instead exile Liliana's Other Contract, then return it to the battlefield transformed under your control.

Liliana's Undead Minion

Legendary Planeswalker — You

You can't lose the game.
+1: Each opponent loses 1 life.
−4: Destroy target creature.