+1: look at the top card of your library. you may reveal that card and put it into your hand. if you do, you lose life equal to its mana value.
-2: create a 2/3 black vampire creature token with flying and lifelink.
-7: sorin the mirthless deals 13 damage to any target. you gain 13 life.
Sorin the Mirthless (Showcase) from Innistrad: Crimson Vow