Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] SWSH069 It uses cards like Incinerate

It uses cards like Incinerate and Swords to Plowshares to deal with opponents' fast creatures

−2: Create a blue Dog Illusion creature token with “This creature’s power and toughness are each equal to twice the number of cards in your hand

except it doesn't copy that creature's color and it has "At the beginning of your upkeep

Set: Streets of New Capenna Commander Promos Type: Creature — Human Wizard Rarity: Rare Cost: {1}{U} When Sinister Concierge dies

the Still Wind deals combat damage to a player

Cloud Key (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] SWSH069 It uses cards like IncinerateSet: 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*