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{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.
Abilities, attacks, weakness & resistance
Other cards from The Brothers' War Promos
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Underground River (PBRO-267p prerelease stamp) is a rare land from The Brothers' War Promos. It can tap for colorless, or tap for blue or black at the cost of dealing 1 damage to you. As a dual-resource land that can produce two colors, it serves as a utility mana source for decks needing blue and black.
Catalog pricing data as of 20 Apr 2026, 05:55
