Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Manticore you may exile a green

you may exile a green card from your hand rather than pay this spell's mana cost

Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Uncommon Cost: {2} When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield

Set: Black & White: Legendary Treasures Type: Lightning Rarity: Ultra Rare Retreat cost: 0

—Jonathan Swift

Set: Beatdown Type: Land Rarity: Uncommon Dwarven Ruins enters the battlefield tapped

Cloud Key (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Manticore you may exile a greenSet: 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*