Doubling Cube [Tenth Edition] SM231 Set: Extreme Force Card type:

Set: Extreme Force Card type: Pendulum/Effect Monster Rarity: Ultra Rare Attack: 1200 Defense: 1600 Each time a Spell Card is activated

Set: Diamond & Pearl: Black Star Promos Type: Trainer Rarity: Promo

Set: Elemental Energy Card type: Effect Monster Rarity: Ultimate Rare Attack: 2600 Defense: 1800 During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card

Set: Sword & Shield: Chilling Reign Type: Colorless Rarity: Secret Rare Retreat cost: 3

Set: World Championships 2004 Type: Supporter Rarity: Uncommon

Doubling Cube [Tenth Edition] SM231 Set: Extreme Force Card type:Set: Tenth Edition Type: Artifact Rarity: Rare Cost: {2} {3}, {T}: Double the amount of each type of unspent mana you have. The cube's surface is pockmarked with jagged runes that seem to shift when unobserved.