Cleric Class + Mine Worker + Crystalline Crawler + Freed from the Real

Cleric Class

Mine Worker

Crystalline Crawler

Freed from the Real

How it works

1. Activate Mine Worker by tapping it, causing you to gain at least 2 life.
2. Cleric Class 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 .
4. Activate Freed from the Real's second ability by paying , untapping Mine Worker.
5. Repeat.