Unwinding Clock (Retro Schematic) [The Brothers' War Retro Artifacts] 65a Set: Sun & Moon: Black

Set: Sun & Moon: Black Star Promos Type: Metal Rarity: Black Star Promo Retreat cost: Colorless

Set: The Lord of the Rings: Tales of Middle-Earth Commander Type: Legendary Artifact Rarity: Mythic Cost: {7}{G}{G} This spell costs {X} less to cast

Set: XY: BREAKpoint Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Jungle 1st Edition Type: Grass Rarity: Rare

could we store matter as energy the same way

Unwinding Clock (Retro Schematic) [The Brothers' War Retro Artifacts] 65a Set: Sun & Moon: BlackSet: 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"