Doubling Cube [The List]

Doubling Cube [The List]Set: The List 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.

Set: Platinum: Rising Rivals Type: Fire Rarity: Holo Rare Retreat cost: 0

discards a card

Set: Junior Series Europe Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

and remove it from combat

then discard four cards

Set: EX: Deoxys Type: Psychic Rarity: Holo Rare Retreat cost: 0

{2}{W}{U}{B}{R}{G}: Exile the top three cards of your library

Set: Sword & Shield: Black Star Promos Type: Darkness Rarity: Promo Retreat cost: Colorless

Imaginary Friend (When this creature enters the battlefield

Set: Portal Three Kingdoms Type: Instant Rarity: Rare Cost: {2}{W} Cast this spell only during the declare attackers step and only if you've been attacked this step

Set: Alpha Edition Type: Enchantment Rarity: Rare Cost: {2}{R} Whenever a player taps a land for mana

Set: Zendikar Expeditions Type: Land — Island Mountain Rarity: Mythic ({T}: Add {U} or {R}