Lifelink (Damage dealt by the creature also causes its controller to gain that much life.)
Whenever another nontoken creature you control dies, exile Liliana, Heretical Healer, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.
2/3
Liliana, Defiant Necromancer
Legendary Planeswalker — Liliana
+2
Each player discards a card.
-X
Return target nonlegendary creature card with mana value X from your graveyard to the battlefield.
-8
You get an emblem with "Whenever a creature dies, return it to the battlefield under your control at the beginning of the next end step."