Duskmourn: House of Horror Commander · #321
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{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.
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Underground River (DSC-321) is a land from Duskmourn: House of Horror Commander. It can tap for colorless, or tap to produce blue or black at the cost of dealing 1 damage to its controller. As a dual-color land with a life tradeoff, it serves as flexible mana fixing for blue-black decks at the expense of incremental life loss.
Catalog pricing data as of 18 Apr 2026, 22:22
