Aetherflux Reservoir value

The value of the Aetherflux Reservoir card varies significantly depending on its printing, foil status, and set. The standard used version is valued around $19.47 [1]. If you are looking for a foil version, the used price is higher at $33.54 [2]. For the most valuable version listed, the "The Brothers' War Retro Artifacts" printing commands a high price of $1199 used [8]. Other versions, like the Kaladesh Promos, are valued at $43.48 used [6], while the standard Kaladesh printing is around $21.3 used [5].