Zaxara, the Exemplary, and Pemmin's Aura

Prerequisites

• Zaxara, the Exemplary on the battlefield
• Pemmin's Aura on the battlefield
• Pemmin's Aura attached to Zaxara
• Zaxara does not have summoning sickness

Steps

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

Results

• Infinite colored mana