Jenson Carthalion, Druid Exile, Nyxbloom Ancient, and Pemmin's Aura

Prerequisites

• Jenson Carthalion, Druid Exile on the battlefield
• Nyxbloom Ancient on the battlefield
• Pemmin's Aura on the battlefield
• Pemmin's Aura attached to Jenson
• Jenson does not have summoning sickness
• available

Steps

1. Activate Jenson by paying and tapping it, adding three mana of each color
2. Activate Pemmin's Aura's first ability by paying , untaping Jenson
3. Repeat

Results

• Infinite colored mana