Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Vampire Employee look at the top four

look at the top four cards of target opponent’s library

Set: Commander 2017 Type: Artifact — Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1/-1

and the steel became greaves

Serpentine Wood enters the battlefield

Madcap Experiment deals damage to you equal to the number of cards revealed this way

Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Vampire Employee look at the top fourSet: 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*