![Unwinding Clock (Retro Schematic) [The Brothers' War Retro Artifacts]](http://cryptmtg.com/cdn/shop/products/68172a52-954d-5dae-b56e-ab81890d98dc_800x.png?v=1699028849)
![Unwinding Clock (Retro Schematic) [The Brothers' War Retro Artifacts]](http://cryptmtg.com/cdn/shop/products/68172a52-954d-5dae-b56e-ab81890d98dc_1024x.png?v=1699028849)
Description
| 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"
