Jack, Fanatical Programmer

Haste
You may cast artifact spells as though they have flash.
Whenever you cast a colorless spell, if its not your turn,
untap target creature.
{t}: Choose target artifact card in your graveyard. If its
mana value is less than or equal to the number of
artifacts you control, you may return it to the battlefield.
Otherwise, return it to your hand. Activate this ability
only once each turn.