Tromell, Seymour's Butler, Crystalline Crawler, and Pemmin's Aura

Prerequisites

• Tromell, Seymour's Butler on the battlefield
• Crystalline Crawler on the battlefield
• Pemmin's Aura on the battlefield
• available

Steps

1. Activate Tromell by paying and tapping it, causing you to put at least three +1/+1 counters on Crystalline Crawler Activate Crystalline Crawler four times by removing three +1/+1 counters from it, adding
2. Activate Pemmin's Aura by paying , untapping Tromell
3. Repeat

Results

• Infinite colored mana
• Infinite proliferate
• Infinite +1/+1 counters on a creature