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({T}: Add {U} or {B}.)
Abilities, attacks, weakness & resistance
Other cards from Revised Edition
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Underground Sea (3ED-290) is a rare nonbasic land with the Island and Swamp subtypes from Revised Edition. It has the mana ability to tap for either blue or black mana. Its basic land types can interact with effects that care about land types but it is not a basic land itself, so effects targeting basic lands do not necessarily affect it.
Catalog pricing data as of 2 May 2026, 03:29
