| Set: |
Kaladesh Inventions |
| Kind: |
Legendary Artifact |
| Rarity: |
Mythic |
| Cost: |
{0} |
Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.
On loan from a private collection, this unique mechanism extracts power from a carefully prepared gemstone.
![Mox Opal [Kaladesh Inventions]](http://cardcastergames.com/cdn/shop/files/b958ac4e-9d2c-514a-814f-1357cea64020_800x.jpg?v=1761248814)
![Mox Opal [Kaladesh Inventions]](http://cardcastergames.com/cdn/shop/files/b958ac4e-9d2c-514a-814f-1357cea64020_1024x.jpg?v=1761248814)
