Magic: The Gathering · Duskmourn: House of Horror
Underwater Tunnel // Slimy Aquarium
French name: Tunnel sous-marin // Aquarium visqueux
Underwater Tunnel // Slimy Aquarium (Duskmourn: House of Horror 79) has a market price of US$0.10 to US$0.23 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Enchantment: Room // Enchantment: Room
- Mana cost
- {U} // {3}{U}
- Artist
- Titus Lunter
Card text
(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.) Underwater Tunnel When you unlock this door, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) / Slimy Aquarium When you unlock this door, manifest dread, then put a +1/+1 counter on that creature.
About this card
Underwater Tunnel // Slimy Aquarium is card 79 in Duskmourn: House of Horror, a Magic: The Gathering set released Sep 27, 2024. Rarity: Common. Finishes: Normal, Foil. Illustrated by Titus Lunter. Reference market price on Nov 9, 2026: US$0.10 (Normal), US$0.23 (Foil). Over the last 30 days, the Normal price went down 33.3%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.