Set & Rarity: Champions of Kamigawa, uncommon
Card Type: Land
Rules Text: : Add to your mana pool.: Add or to your mana pool. Waterveil Cavern doesn't untap during your next untap step.
Artist Credit: John Avon
Format Legality: Legal in: Standard, Extended, Legacy, Vintage, Online Extended, Prismatic, Tribal Wars, Singleton, Kamigawa Block