---
name: "Unwinding Clock"
mana_cost: "{4}"
cmc: 4
type_line: "Artifact"
colors: []
color_identity: []
keywords: []
set: "BRR"
set_name: "The Brothers' War Retro Artifacts"
collector_number: "124"
rarity: "rare"
artist: "David Astruga"
oracle_id: "153fac93-5d2b-4348-a468-a5eef6a12da3"
canonical_url: "https://avascry.com/printing/unwinding-clock-brr"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Unwinding Clock
- **Mana Cost:** `{4}` (CMC: 4)
- **Type:** Artifact

## Oracle Text
Untap all artifacts you control during each other player's untap step.

> *„Die Hitze des rotierenden Mechanismus wird aufgefangen und in Energie umgewandelt, sodass das System dauerhaft funktionieren kann."
—*Ruskos Kompendium des Uhrwerks**

## Top 4096-Dim Neural Synergies
1. [Clock of Omens](/printing/clock-of-omens-5dn.md) — Artifact
2. [Damping Field](/printing/damping-field-atq.md) — Enchantment
3. [Voltaic Servant](/printing/voltaic-servant-dom.md) — Artifact Creature — Construct
4. [Sands of Time](/printing/sands-of-time-vis.md) — Artifact
5. [Amulet of Vigor](/printing/amulet-of-vigor-lcc.md) — Artifact
6. [Victory Chimes](/printing/victory-chimes-c21.md) — Artifact

## Printing Details
- **Set:** The Brothers' War Retro Artifacts (BRR) #124
- **Rarity:** Rare
- **Artist:** David Astruga
- **Total Printings:** 35 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `legal`