Underwater Tunnel // Slimy Aquarium
U3UEnchantment — Room // Enchantment — Room
Underwater Tunnel
Enchantment — Room
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.)
(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.)
Slimy Aquarium
Enchantment — Room
When you unlock this door, manifest dread, then put a +1/+1 counter on that creature.
(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.)
Market value
$0.18 – $0.20
Across paper printings · TCGplayer & Cardmarket market price
Card data via Scryfall. Paper market figures use TCGplayer market price and Cardmarket values that Scryfall syncs from affiliates. View on Scryfall · How Scryfall prices work. Prices refresh about every 24 hours — useful estimates, not a live storefront. Tappr is not the seller. Page checked 2026-09-15 23:16 UTC.
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