Voltaic Construct, Phyrexian Scriptures, and Loot, the Nexus

Prerequisites

• Voltaic Construct on the battlefield
• Phyrexian Scriptures in hand
• Loot, the Nexus on the battlefield
• available

Steps

1. Cause Loot to become an artifact using Phyrexian Scriptures
2. Activate Loot by tapping it, adding at least Activate Voltaic Construct by paying , untapping Loot
3. Repeat from step 2

Results

• Infinite colored mana
• Infinite untap of artifact creatures you control