Myr Scrapling, Enduring Renewal, and Crystalline Crawler

Prerequisites

• Myr Scrapling on the battlefield
• Enduring Renewal on the battlefield
• Crystalline Crawler on the battlefield

Steps

1. Activate Myr Scrapling by sacrificing itself, targeting Crystalline Crawler
2. Myr Scrapling dies, triggering Enduring Renewal, returning Myr Scrapling from your graveyard to your hand
3. Resolve the Myr Scrapling ability, putting a +1/+1 counter on Crystalline Crawler
4. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
5. Cast Myr Scrapling by paying
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count