Basalt Monolith + Trazyn the Infinite + Voltaic Construct

B identity

Commander legal

The 3 combo pieces

• Basalt Monolith
• Trazyn the Infinite
• Voltaic Construct

How to execute it

1. Activate Trazyn using Basalt Monolith's ability by tapping it, adding {C}{C}{C}
2. Activate Voltaic Construct or activate Trazyn using Voltaic Construct's ability by paying {2}, untapping Trazyn.
3. Repeat.

What the combo produces

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