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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
Underground River (BRO-267) is a rare Land from The Brothers' War set. It can tap for colorless mana or tap to add blue or black at the cost of dealing 1 damage to its controller. This card functions as a dual mana source useful in decks needing U/B fixing while offering a no-cost colorless option.
Catalog pricing data as of 18 Apr 2026, 22:25
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