Cloud Key (Retro Schematic) [The Brothers' War Retro Artifacts] Karn “After the people flee

“After the people flee

Set: Phyrexia: All Will Be One Promos Type: Land Rarity: Rare Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands

where X is its power

Set: Jumpstart 2022 Type: Legendary Creature — Demon Spirit Rarity: Rare Cost: {3}{B}{B} At the beginning of each player's upkeep

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger

Cloud Key (Retro Schematic) [The Brothers' War Retro Artifacts] Karn “After the people fleeSet: 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