Vincent, Abyssal Archmage

{u}{u},{t}: Target opponent reveals his or her hand then name a card. Opponents can't cast spells with the chosen name until your next turn.
{2}{b}{b}: When target source deals damage this turn, its controller loses that much life instead.
"The essence of death flows through everything of this world. With the essence of life a balance is created where both the structures of light and dark can prosper."