The AllSpark - Doubling Cube - Borderless Tweet Out of stock. $9.06 Wishlist Details Color: Artifact Card Text: {3}, {T}: Double the amount of each type of unspent mana you have. Rarity: R Cost: 2 Card Type: Artifact Artist: Volta Creation Name: The AllSpark - Doubling Cube Finish: Regular Card Number: 1080 Set Name: Secret Lair Drop Series