Name: Ritual Chamber Cost: 3BB CMC: 8 Color: B CID: B Type: Enchantment -- Room Rules Text: When you unlock this door, create a 6/6 black Demon creature token with flying. (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) [This is half of the split card Unholy Annex // Ritual Chamber.] Set/Rarity: Duskmourn: House of Horror Promos rare, Duskmourn: House of Horror rare Legality: Legal in alchemy, Legal in standardbrawl, Legal in vintage, Legal in duel, Legal in commander, Legal in future, Legal in standard, Legal in historic, Legal in gladiator, Legal in legacy, Legal in modern, Legal in oathbreaker, Legal in brawl, Legal in timeless, Legal in pioneer Price: $1.60 Foil price: $2.06