Polluted Cistern // Dim Oubliette Tweet Buy this product instead Details Color: Black Card Text: // Rarity: R Cost: 1B // 4B Card Type: Enchantment - Room // Enchantment - Room Artist: Arthur Yuan // Arthur Yuan Name: Polluted Cistern // Dim Oubliette Finish: Regular Card Number: 0023 Set Name: Commander: Duskmourn: House of Horror Category: Commander: Duskmourn