Zaxara, the Exemplary + Freed from the Real

Zaxara, the Exemplary
Freed from the Real

Requires
Zaxara, the Exemplary must be on the battlefield. Freed from the Real must be on the battlefield. Freed from the Real attached to Zaxara. Zaxara does not have summoning sickness.
Steps
  1. Activate Zaxara by tapping it, adding uu.
  2. Activate Freed from the Real's second ability by paying u, untapping Zaxara.
  3. Repeat.
Results
Infinite colored mana.