
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}.
Crypt Ghast has 8 printings, first in Gatecrash (2013). EDHREC ranks it #519 among Commander cards. It appears most in Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel decks (14,268 on EDHREC). 1 public deck on TCG runs it. It has 4 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.