Sunken Citadel [The Lost Caverns of Ixalan Prerelease Cards]

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Land — Cave Rarity: Rare Sunken Citadel enters the battlefield tapped. As it enters, choose a color. T: Add one mana of the chosen color. T: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.