Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 020 As Sacred Foundry enters the

As Sacred Foundry enters the battlefield

Set: HeartGold & SoulSilver: Triumphant Type: Water Rarity: Common Retreat cost: Colorless

Set: Neo Revelation 1st Edition Type: Lightning Rarity: Rare Retreat cost: Colorless

choose a player or planeswalker that opponent is attacking

Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 020 As Sacred Foundry enters theSet: 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"