![Polluted Cistern // Dim Oubliette [Duskmourn: House of Horror Commander]-1](http://inngames.com.au/cdn/shop/files/6a7c3370-6f79-417e-a98e-4341307e151b.png?v=1771006283&width=800)
![Polluted Cistern // Dim Oubliette [Duskmourn: House of Horror Commander]-1](http://inngames.com.au/cdn/shop/files/6a7c3370-6f79-417e-a98e-4341307e151b.png?v=1771006283&width=240)
Magic: The Gathering
Polluted Cistern // Dim Oubliette [Duskmourn: House of Horror Commander]
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| Set: | Duskmourn: House of Horror Commander |
| Type: | Enchantment — Room // Enchantment |
| Rarity: | Rare |
| Cost: | {1}{B} // {4}{B} |
(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.)
Polluted Cistern
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.
Dim Oubliette
When you unlock this door, mill three cards, then return a creature card from your graveyard to the battlefield.
Polluted Cistern
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.
Dim Oubliette
When you unlock this door, mill three cards, then return a creature card from your graveyard to the battlefield.
![Polluted Cistern // Dim Oubliette [Duskmourn: House of Horror Commander]-1](http://inngames.com.au/cdn/shop/files/6a7c3370-6f79-417e-a98e-4341307e151b.png?v=1771006283&width=745)
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