Crypt Ghast

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional {B}.

Flavor Text: The soul of a murderer from the old world, steeped for centuries in rot and malevolence.

Card Details:
Set: Duskmourn: House of Horror Commander
Collector Number: 368
Artist: Tim Jacobus