Cloud KeyCasting Cost: Card Type: ArtifactCard Text: As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost less to cast.Flavour Text: "A key only unlocks a door. Its wielder must choose whether to cross the threshold." -*Hurkyl's Metaphysics, vol. II*Artist: Trevor Hairsine
less to cast.