Jayer, Keeper of the Many

+2: Sacrifice or exile a permanent on the battlefield. Put a card of the same type into play from your grave or exile zone. Zones must be the same.
-4: Set your hand aside, put cards in your hand equal to the cards you put aside. Put the cards set aside on top in any order
-20: Put your library in your hand. You may not draw cards for the rest of the game. You have no maximum hand size for the rest of the game.