Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Sliver instead exile it with a

instead exile it with a void counter on it

You lose life equal to its converted mana cost

III — You may put an Aura or Equipment card from your hand or graveyard onto the battlefield

put all land cards from your graveyard onto the battlefield tapped

Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Sliver instead exile it with aSet: 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*