Aetherflux Reservoir [Schematic] is a card from the Magic: The Gathering set, Brothers' War Retro Artifacts, classified as Unknown rarity. Priced at approximately $28.12, it appeals to collectors and players alike due to its unique design and gameplay utility. As a key component in various decks, its market value reflects ongoing interest in both its aesthetic and functional contributions to the game. The card's standing in the market indicates a stable demand among enthusiasts.