Name: Promising Stairs Cost: 2U CMC: 7 Color: U CID: U Type: Enchantment -- Room Rules Text: At the beginning of your upkeep, surveil 1. You win the game if there are eight or more different names among unlocked doors of Rooms you control. (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 Central Elevator // Promising Stairs.] Set/Rarity: Duskmourn: House of Horror Promos rare, Duskmourn: House of Horror rare Set Code: PDSK-R, DSK-R Legality: Legal in brawl, Legal in oathbreaker, Legal in modern, Legal in gladiator, Legal in standardbrawl, Legal in duel, Legal in legacy, Legal in penny, Legal in vintage, Legal in alchemy, Legal in standard, Legal in timeless, Legal in commander, Legal in future, Legal in pioneer, Legal in historic Price: $0.25 Foil price: $0.25