Doubling Cube [Fifth Dawn] Dinosaur Dragon Set: Unhinged Type: Enchantment Rarity:

Set: Unhinged Type: Enchantment Rarity: Rare Cost: {G} As Form of the Squirrel enters the battlefield

Set: Friday Night Magic 2000 Type: Instant Rarity: Rare Cost: {X}{R}{R} Volcanic Geyser deals X damage to any target

Set: Stronghold Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

Set: Jungle 1st Edition Type: Lightning Rarity: Rare Retreat cost: Colorless

and Y is half the number of Forests you control

Doubling Cube [Fifth Dawn] Dinosaur Dragon Set: Unhinged Type: Enchantment Rarity:Set: Fifth Dawn 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.