Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 80 each planeswalker you control becomes

each planeswalker you control becomes a 4/4 red Dragon creature and gains flying

Set: Sword & Shield: Astral Radiance Type: Grass Rarity: Secret Rare Retreat cost: Colorless

Set: XY: Ancient Origins Type: Darkness Rarity: Promo Retreat cost: Colorless

−3: Exile target nonland permanent

Set: EX: Crystal Guardians Type: Fire

Unwinding Clock (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 80 each planeswalker you control becomesSet: 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"