Polluted Cistern // Dim Oubliette

Set: Commander: Duskmourn: House of Horror (#23)

Rarity: Rare

Type: Enchantment — Room // Enchantment — Room

Mana Cost: {1}{B} // {4}{B}

Colors: Black

Whenever one or more cards are put into your graveyard from your library, each opponent loses 1 life for each card type among those cards. (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.) // When you unlock this door, mill three cards, then return a creature card from your graveyard to the battlefield. (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.)