Uvol, Lord of Dragonworld

+3: You may cast an instant or sorcery card from any graveyard without paying it's mana cost,then exile it. Uvol gains hexproof until the beg. of y..
-5: Each opponent chooses a creature they control, then sacrifices the rest.
-14: Each opponent creates an emblem with: Whenever you cast a spell, discard a card, then sacrifice a creature.