Faeburrow Elder, and Pemmin's Aura

Prerequisites

• Faeburrow Elder on the battlefield
• Pemmin's Aura on the battlefield
• Pemmin's Aura attached to Faeburrow Elder
• Faeburrow Elder does not have summoning sickness

Steps

1. Activate Faeburrow Elder by tapping it, adding
2. Activate Pemmin's Aura's first ability by paying , untapping Faeburrow Elder
3. Repeat

Results

• Infinite non-blue mana of colors among permanents you control