Sorin, Prodigy's Betrayer

+2: Exile the top card of your library. You gain life equal to its converted mana cost.
-2: Create X 1/1 vampire creature tokens with flying and lifelink where X is the number of cards in your exile.
-8: You get an emblem with "At the beginning of your turn each opponent loses life equal to the number of cards you own in exile."