Name: Souls of the Lost Cost: 1B CMC: 2 Color: B CID: B Type: Creature -- Spirit Pow/Tgh: */*+1 Rules Text: As an additional cost to cast this spell, discard a card or sacrifice a permanent. Fathomless descent -- Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1. Set/Rarity: The Lost Caverns of Ixalan rare, The Lost Caverns of Ixalan Promos rare Legality: Legal in timeless, Legal in gladiator, Legal in commander, Legal in standard, Legal in penny, Legal in oathbreaker, Legal in modern, Legal in duel, Legal in vintage, Legal in legacy, Legal in future, Legal in brawl, Legal in standardbrawl, Legal in pioneer, Legal in historic Price: $0.22 Foil price: $0.31