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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 Magic Online Promos
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Underground River (PRM-105876) is a Rare land from the Magic Online Promos set. It can be tapped for colorless or tapped to produce blue or black mana while dealing 1 point of damage to its controller. The life cost makes it a fixing option for two-color blue-black builds where a single point of self-inflicted damage is an acceptable trade-off.
Catalog pricing data as of 12 Apr 2026, 10:55
