Crystalline Crawler + Heliod, Sun-Crowned + Mine Worker + Pemmin's Aura

WU identity

Commander legal

The 4 combo pieces

What must be in place

Mine Worker does not have summoning sickness.
Pemmin's Aura attached to Mine Worker.

How to execute it

  1. Activate Mine Worker by tapping it, causing you to gain at least 1 life.
  2. Heliod triggers, putting a +1/+1 counter on Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
  4. Activate Pemmin's Aura's first ability by paying {U}, untapping Mine Worker.
  5. Repeat.

What the combo produces