Secret Base

Unstable (UST)

Secret Base

Land

{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.
alchemyNot legalbrawlNot legalcommanderNot legalcompetitivebrawlNot legalduelNot legalfutureNot legalgladiatorNot legalhistoricNot legallegacyNot legalmodernNot legaloathbreakerNot legaloldschoolNot legalpauperNot legalpaupercommanderNot legalpennyNot legalpioneerNot legalpredhNot legalpremodernNot legalstandardNot legalstandardbrawlNot legaltimelessNot legaltlrNot legalvintageNot legal