Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
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Mox Opal [Kaladesh Inventions]
| Set: | Kaladesh Inventions |
| Type: | 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.