Disrupter Mage

Swift (This creature untaps during each other
player's untap step)
{t}: Add {u}{u} to your mana pool. Use this mana only to cast instant spells.
Whenever a spell is countered put a divination counter on Disrupter Mage. Then, if Disrupter Mage has three or more divination counters, remove all counters from Disrupter Mage and draw a card.