Ultron, Artificial Malevolence, Voltaic Construct, and Empowered Autogenerator

Prerequisites

• Ultron, Artificial Malevolence on the battlefield
• Voltaic Construct on the battlefield
• Empowered Autogenerator in hand
• available

Steps

1. Cast Empowered Autogenerator by paying its mana cost
2. When Empowered Autogenerator enters, Ultron triggers, causing you to pay to create a copy of Empowered Autogenerator that is a 2/2 Robot Villain creature
3. During your next turn, activate the Empowered Autogenerator token by tapping it, putting a charge counter on Empowered Autogenerator and then adding one mana of any color for each charge counter on it Activate Voltaic Construct by paying , untapping the Empowered Autogenerator token
4. Repeat from step 3

Results

• Infinite colored mana
• Infinite charge counters on a permanent