Basalt Monolith + Forensic Gadgeteer

U identity

Commander legal

The 2 combo pieces

• Basalt Monolith
• Forensic Gadgeteer

How to execute it

1. Activate Basalt Monolith's first activated ability by tapping it, adding {C}{C}{C}.
2. Activate Basalt Monolith's last ability by paying {2}, untapping it.
3. Repeat.

What the combo produces

• Infinite colorless mana