Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/39615bbf38dcf47a4fc2f0e9ceb4c5c8_457841db-6a21-43c3-b196-e10cc111e2eb.jpg?v=1700190827)
Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts]
| Set: | The Brothers' War Retro Artifacts |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | 4 |
Untap all artifacts you control during each other player's untap step.
"Heat from the rotating mechanism is captured and converted into energy, allowing it to operate in perpetuity."
—*Rusko's Compendium of Clockwork"