Scurry Oak + Cleric Class + Leonin Elder + Peregrin Took

Scurry Oak
Cleric Class
Leonin Elder
Peregrin Took

Requires
Scurry Oak must be on the battlefield. Cleric Class must be on the battlefield. Leonin Elder must be on the battlefield. Peregrin Took must be on the battlefield. You have a way to cause an artifact to enter the battlefield under your control. Cleric Class is at least level two.
Steps
  1. Cause an artifact to enter the battlefield under your control.
  2. Leonin Elder triggers, causing you to gain 2 life due to Cleric Class.
  3. Cleric Class triggers, putting a +1/+1 counter on Scurry Oak.
  4. Scurry Oak triggers, creating a 1/1 Squirrel creature token and a Food artifact token.
  5. When the Food enters the battlefield, Leonin Elder triggers, causing you to gain 2 life.
  6. Repeat from step 3.
  7. Once you have infinite Foods, you may sacrifice them to Peregrin Took's ability.
Results
Infinite +1/+1 counters on Scurry Oak. Infinite card draw. Infinite creature tokens. Infinite draw triggers. Infinite ETB. Infinite Food tokens. Infinite lifegain. Infinite lifegain triggers.

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