Liliana, Heretical Healer
Legendary Creature - Human Cleric // Legendary Planeswalker - Liliana | Power/Toughness: 2 / 3
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: Each player discards a card.
-X: Return target nonlegendary creature card with converted mana cost 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."