Avid Reclaimer + Freed from the Real + Nissa, Genesis Mage

Avid Reclaimer
Freed from the Real
Nissa, Genesis Mage

Requires
All permanents on the battlefield. Freed from the Real attached to Avid Reclaimer. Avid Reclaimer does not have summoning sickness.
Steps
  1. Activate Avid Reclaimer by tapping it, adding u and causing you to gain 2 life
  2. Activate Freed from the Real's second ability by paying u, untapping Avid Reclaimer
  3. Repeat
Results
Infinite lifegain. Infinite lifegain triggers.