Myr Welder, Sword of the Paruns, and Empowered Autogenerator

Prerequisites

• Myr Welder on the battlefield
• Sword of the Paruns on the battlefield
• Empowered Autogenerator in exile

Steps

1. Activate Myr Welder using Empowered Autogenerator's ability by tapping it, putting a charge counter on it and adding one mana of any color for each charge counter on it
2. Activate Sword of the Paruns by paying , untapping Myr Welder
3. Repeat

Results

• Infinite colored mana
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce