Voltaic Construct, Cyberdrive Awakener, and Basalt Monolith

Prerequisites

• Voltaic Construct on the battlefield
• Cyberdrive Awakener in hand
• Basalt Monolith on the battlefield
• Basalt Monolith does not have summoning sickness
• available

Steps

1. Cast Cyberdrive Awakener by paying
2. Cyberdrive Awakener enters the battlefield, causing all noncreature artifacts you control to become 4/4 artifact creatures until end of turn
3. Activate Basalt Monolith's first ability by tapping it, adding
4. Activate Voltaic Construct by paying , untapping Basalt Monolith
5. Repeat from step 3

Results

• Infinite colorless mana
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control