Mikaeus, the Lunarch + Crystalline Crawler + Pemmin's Aura + Shang-Chi, Martial Mentor

Mikaeus, the Lunarch

Crystalline Crawler

Pemmin's Aura

Shang-Chi, Martial Mentor

How it works

1. Activate Mikaeus' second ability by tapping it and removing a +1/+1 counter from it, putting two +1/+1 counters on each other creature you control.
2. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding .
3. Activate Pemmin's Aura by paying , untapping Mikaeus.
4. Activate Mikaeus' first ability by tapping it, putting two +1/+1 counters on it.
5. Activate Pemmin's Aura by paying , untapping Mikaeus.
6. Repeat.