Name: Doubling Cube Cost: 2 CMC: 2 Color: CID: Type: Artifact Rules Text: {3}, {T}: Double the amount of each type of unspent mana you have. Set/Rarity: Fifth Dawn rare, Tenth Edition rare, Secret Lair Drop rare, The List rare Set Code: 5DN-R, 10E-R, SLD-R, PLST-R Legality: Legal in penny, Legal in predh, Legal in modern, Legal in commander, Legal in oathbreaker, Legal in vintage, Legal in duel, Legal in legacy Price: $30.29 Foil price: $27.82