Mikaeus, the Lunarch, Crystalline Crawler, Pemmin's Aura, and Branching Evolution

Prerequisites

• Mikaeus, the Lunarch on the battlefield
• Crystalline Crawler on the battlefield
• Pemmin's Aura on the battlefield
• Branching Evolution on the battlefield
• Mikaeus does not have summoning sickness
• Pemmin's Aura attached to Mikaeus

Steps

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

Results

• Infinite colored mana
• Infinite +1/+1 counters