| Set: |
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
![Cloud Key (Retro Schematic) [The Brothers' War Retro Artifacts]](http://cardmerchantdunedin.co.nz/cdn/shop/files/7829117d-bbe9-5b08-a1f0-5f1b54c5bed3_800x.jpg?v=1777507447)
![Cloud Key (Retro Schematic) [The Brothers' War Retro Artifacts]](http://cardmerchantdunedin.co.nz/cdn/shop/files/7829117d-bbe9-5b08-a1f0-5f1b54c5bed3_1024x.jpg?v=1777507447)
