Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its mana value.
-X
Sorin, Grim Nemesis deals X damage to target creature or planeswalker and you gain X life.
-9
Create a number of 1/1 black Vampire Knight creature tokens with lifelink (Damage dealt by the creature also causes its controller to gain that much life.) equal to the highest life total among all players.