Bloodthirsty Conqueror | Creature | Vampire Knight | Flying, deathtouch
Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.) | Dmitry Burmak
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