Ezzaroot Channeler, Crystalline Crawler, Pemmin's Aura, and Light of Promise

Prerequisites

• Ezzaroot Channeler on the battlefield
• Crystalline Crawler on the battlefield
• Pemmin's Aura on the battlefield
• Light of Promise on the battlefield
• Pemmin's Aura attached to Ezzaroot Channeler
• Light of Promise attached to Crystalline Crawler
• Ezzaroot Channeler does not have summoning sickness

Steps

1. Activate Ezzaroot Channeler by tapping it, causing you to gain two life
2. Crystalline Crawler triggers, putting two +1/+1 counters on itself
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
4. Activate Pemmin's Aura's first ability by paying , untapping Ezzaroot Channeler
5. Repeat

Results

• Infinite +1/+1 counters on Crystalline Crawler
• Infinite colored mana
• Infinite lifegain
• Infinite lifegain triggers