Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Human Assassin Warrior Whenever a land enters the

Whenever a land enters the battlefield under an opponent's control

it shall be swift

General Store Faces Thorny Problems

As long as your devotion to blue is less than five

Dive into Foundations

Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Human Assassin Warrior Whenever a land enters theSet: 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*