Myr Scrapling + Enduring Renewal + Crystalline Crawler

Myr Scrapling

Enduring Renewal

Crystalline Crawler

How it works

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 1.
5. Cast Myr Scrapling by paying 1.
6. Repeat.