Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] U-CRU082-RF If the revealed land card

If the revealed land card was a Mountain

Whenever Dawnblade hits a hero this turn

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Legendary Creature — Dragon Rarity: Mythic Cost: {4}{R}{R} This spell can't be countered

Set: Streets of New Capenna Type: Land — Plains Island Swamp Rarity: Rare ({T}: Add {W}

Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] U-CRU082-RF If the revealed land cardSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Rare Cost: {3} As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast. "A key only unlocks a door. Its wielder must choose whether to cross the threshold." *Hurkyl's Metaphysics, vol. II*