Celestial Prism [Beta Edition] Future Sight This spell can't be countered

This spell can't be countered

the Stronghold serves as the gathering place for the Cabal as their dark influence spreads from Urborg

When Oathkeeper

Set: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Mythic Cost: {X}{R}{R}{R} Destroy X target artifacts and/or creatures

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Celestial Prism [Beta Edition] Future Sight This spell can't be counteredSet: Beta Edition Type: Artifact Rarity: Uncommon Cost: {3} {2}, {T}: Add one mana of any color.