Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Magic 2010 " —Pontifex

" —Pontifex

if this card attacks an opponent's monster: You can make that opponent's monster lose 1000 ATK for each face-up Pendulum Monster in your Extra Deck

over and through

leaving in exile all non-Aura permanent cards exiled with Karn Liberated

Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Magic 2010 " —PontifexSet: 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*