Bloodthirsty Conqueror | Creature | Vampire Knight | Flying, deathtouch
Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.) | Dmitry Burmak
Liliana, Dreadhorde General | Legendary Planeswalker | Liliana | Whenever a creature you control dies, draw a card.
+1: Create a 2/2 black Zombie creature token.
−4: Each player sacrifices two creatures.
−9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest. | Chris Rallis
Rise of the Dark Realms | Sorcery | | Put all creature cards from all graveyards onto the battlefield under your control. | Michael Komarck
Muldrotha, the Gravetide | Legendary Creature | Elemental Avatar | During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.) | Jason Rainville
Progenitus | Legendary Creature | Hydra Avatar | Protection from everything
If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead. | Jaime Jones