Archangel of Thune, Crystalline Crawler, Pemmin's Aura, and Mine Worker

Prerequisites

• Archangel of Thune on the battlefield
• Crystalline Crawler on the battlefield
• Pemmin's Aura on the battlefield
• Mine Worker on the battlefield

Steps

1. Activate Mine Worker by tapping it, causing you to gain life
2. Archangel of Thune triggers, putting a +1/+1 counter on each creature you control
3. Activate Crystalline Crawler ability by removing a +1/+1 counter from it, adding
4. Activate Pemmin's Aura's ability by paying , untapping Mine Worker
5. Repeat

Results

• Infinite lifegain triggers
• Infinite lifegain
• Infinite +1/+1 counters