Heliod, Sun-Crowned + Herd Baloth + Verdant Sun's Avatar

Heliod, Sun-Crowned
Herd Baloth
Verdant Sun's Avatar

Requires
Heliod, Sun-Crowned must be on the battlefield. Herd Baloth must be on the battlefield. Verdant Sun's Avatar must be on the battlefield. You have a way to gain life.
Steps
  1. Gain any amount of life.
  2. Heliod triggers, putting a +1/+1 counter on Herd Baloth.
  3. Herd Baloth triggers, creating a 4/4 Beast creature token.
  4. When the Beast enters the battlefield, Verdant Sun's Avatar triggers, causing you to gain 4 life.
  5. Repeat.
Results
Infinite +1/+1 counters on Herd Baloth. Infinite creature tokens. Infinite ETB. Infinite lifegain. Infinite lifegain triggers.

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