Mana Carbuncle

Haste
{t}: Exile target Artifact that has a mana ability.
Place X Gem counters on Mana Carbuncle,
where X is equal to the amount of mana the
exiled card was able to produce. If this card
has 10 or more Gem counters, you win the game.
{t}: Add mana of any color equal to the number
of Gem counters on Mana Carbuncle.