Evolution Witness, Myr Scrapling, and Birgi, God of Storytelling // Harnfel, Horn of Bounty

Prerequisites

• Evolution Witness on the battlefield
• Myr Scrapling on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• available

Steps

1. Activate Myr Scrapling by sacrificing it, targeting Evolution Witness, putting a +1/+1 counter on Evolution Witness
2. Evolution Witness triggers, returning Myr Scrapling from your graveyard to your hand
3. Cast Myr Scrapling by paying
4. Birgi triggers, adding Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite +1/+1 counters on a creature