Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Machine/X Antibody {T}: Create a 1/1 colorless

{T}: Create a 1/1 colorless Servo artifact creature token

(Damage and effects that say “destroy” don't destroy it

Tell him I'm safe

When Tower Winder enters the battlefield

Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Machine/X Antibody {T}: Create a 1/1 colorlessSet: 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*