MatPat, Theorist Ignited

+2: Make a 2/2 red,green,blue theorist artifact token with "tap:sacrifice this creature, add one colorless mana to your mana pool".
-3: You may cast a artifact card from your hand for half its convert mana cost (rounded up).
-6: You may cast creature or artifact card from your hand , ignoring its mana cost. You may do this a second time after the first.