Doubling Cube [Tenth Edition]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.

" —Pemmin

Set: Friday Night Magic 2002 Type: Instant Rarity: Rare Cost: {1}{U}{U} Buyback—Discard two cards

Set: Tempest Type: Artifact Rarity: Rare Cost: {1} {3}

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder

you may gain 10 life

Set: Arena League 2003 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

This card enters the battlefield unattached and stays on the battlefield if the creature leaves

Set: Beta Edition Type: Instant Rarity: Common Cost: {U} You may tap or untap target artifact

Ashnod works in living flesh

This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven

Its controller gains life equal to its power

Set: Eldritch Moon Prerelease Promos Type: Creature — Plant Rarity: Mythic Cost: {3}{B} Defender