Jetfire, Ingenious Scientist + Chromatic Orrery + Primal Vigor

Jetfire, Ingenious Scientist
Chromatic Orrery
Primal Vigor

Requires
All permanents on the battlefield. Jetfire, Ingenious Scholar on the battlefield as Jetfire, Air Guardian. Jetfire has no +1/+1 counters on it. 3 available.
Steps
  1. Activate Jetfire, Air Guardian by paying 3, converting it and putting six +1/+1 counters on it
  2. Activate Jetfire, Ingenious Scientist by removing all +1/+1 counters from it, adding 6 and converting Jetfire
  3. Repeat
Results
Infinite colored mana that cannot be spent to cast nonartifact spells. Infinite colorless mana that cannot be spent to cast nonartifact spells.