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{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with this land.
Abilities, attacks, weakness & resistance
Other cards from Unstable
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Secret Base (UST 165c foil) is a Land from the Unstable expansion. It can tap for colorless or tap for one mana of any color that may only be spent to cast a spell sharing a watermark with the land. The restriction and silver-bordered origin mark it as a niche, set-specific utility card rather than a general-purpose mana source.
Catalog pricing data as of 22 Apr 2026, 10:24
