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

WU identity

Commander legal

The 4 combo pieces

What must be in place

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

How to execute it

  1. Activate Soulmender by tapping it, causing you to gain 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 Soulmender.
  5. Repeat.

What the combo produces