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Polluted Cistern // Dim Oubliette Duskmourn: House of Horror Commander MTG card
DSC #23 · Art by Arthur Yuan
DSC set symbol, RareDuskmourn: House of Horror Commander#23Rare

Polluted Cistern // Dim Oubliette

// Enchantment · Room // Enchantment · RoomMill
Nonfoil
TCGplayer market · DSC #23 nonfoil
$0.41 +5.1% +$0.02, 7 days
1-year range
30 days
+2.5%
EDHREC rank
#6,903 Down 287 in 30 days
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Polluted Cistern // Dim Oubliette Price Summary

The benchmark price (cheapest playable nonfoil) is $0.41, up 5.1% over 7 days, up 2.5% over 30 days, up 2.5% over 90 days.

Polluted Cistern // Dim Oubliette Price History

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Polluted Cistern // Dim Oubliette price history chart, default range 3 months. currently $0.41.

Where to Buy and Sell Polluted Cistern // Dim Oubliette

Every market we track for DSC #23 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Polluted Cistern // Dim Oubliette in Sealed Products

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Polluted Cistern // Dim Oubliette Printings & Prices

Polluted Cistern // Dim Oubliette has 1 tracked printing across 1 sets, in nonfoil finishes.

DSC set symbol, RareDSC #23
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Polluted Cistern // Dim Oubliette Rules Text & Legality

Polluted Cistern // Dim Oubliette is legal in Legacy and Commander, and not legal in Standard, Pioneer, Modern and Pauper.

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Polluted Cistern // Dim Oubliette Rulings

  • Sep 20, 2024

    An ability that triggers "when you unlock this door" triggers when that door becomes unlocked. This can happen one of two ways: (1) the door becomes unlocked on the battlefield or (2) the door becomes unlocked as the Room enters the battlefield because you cast the corresponding half. In the latter case, since the door becoming unlocked is what causes the ability to trigger, effects that cause abilities that trigger when a permanent enters to trigger an additional time (such as that of Panharmonicon) won't apply.

  • Sep 20, 2024

    An ability that triggers "whenever you fully unlock a Room" triggers when a door becomes unlocked and the other door of that Room is already unlocked, or when both doors of that Room become unlocked simultaneously.

  • Sep 20, 2024

    Any time you have priority during a main phase of your turn and the stack is empty, you may pay the mana cost of a locked door (also called its "unlock cost"). That door becomes unlocked. This is a special action. It doesn't use the stack and can't be responded to.

  • Sep 20, 2024

    Each Room card has two names. If an effect instructs you to choose a card name, you may choose one of those names, but not both.

  • Sep 20, 2024

    Each Room card is a single card. For example, if you discard a Room card, you've discarded one card, not two. If an effect counts the number of enchantment cards in your graveyard, Bottomless Pool // Locker Room counts once, not twice.

Reprints & Reprint Risk

Polluted Cistern // Dim Oubliette has been reprinted 1 time.

  • Sep 27, 2024DSC set symbol, RareDuskmourn: House of Horror CommanderDSC #23

Polluted Cistern // Dim Oubliette in Commander

Polluted Cistern // Dim Oubliette is the #6,903 most-played card on EDHREC, down 287 places over the last 30 days.

#6,903 EDHREC rank
across all Commander decks Down 287 in 30 days

Polluted Cistern // Dim Oubliette FAQ

How much is Polluted Cistern // Dim Oubliette worth?

Polluted Cistern // Dim Oubliette is worth about $0.41 for its cheapest playable printing as of Nov 9, 2026.

Is Polluted Cistern // Dim Oubliette legal in Commander?

Yes. Polluted Cistern // Dim Oubliette is legal in Commander. It is also legal in Legacy.

Has Polluted Cistern // Dim Oubliette been reprinted?

Yes. Polluted Cistern // Dim Oubliette has been reprinted 1 time, with 1 printings tracked on The Index.

Why is Polluted Cistern // Dim Oubliette cheap?

Polluted Cistern // Dim Oubliette trades at about $0.41; 1 reprint keeps supply plentiful, and Commander demand is modest (#6,903 on EDHREC).

What can I play instead of Polluted Cistern // Dim Oubliette?

Cards that fill a similar role include Syr Konrad, the Grim, Dreadhound, The Eldest Reborn.

Cards Like Polluted Cistern // Dim Oubliette