![Unwinding Clock (Retro Schematic) [The Brothers' War Retro Artifacts]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/68172a52-954d-5dae-b56e-ab81890d98dc.png?v=1719469548)
Unwinding Clock (Retro Schematic) [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"