Avid Reclaimer + Pemmin's Aura + Nissa, Genesis Mage

Avid Reclaimer
Pemmin's Aura
Nissa, Genesis Mage

Requires
All permanents on the battlefield. Pemmin's Aura 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 Pemmin's Aura's first ability by paying u, untapping Avid Reclaimer
  3. Repeat
Results
Infinite lifegain. Infinite lifegain triggers.