Basalt Monolith + March of the Machines + Training Grounds

U identity

Commander legal

The 3 combo pieces

• Basalt Monolith
• March of the Machines
• Training Grounds

What must be in place

Basalt Monolith does not have summoning sickness.

How to execute it

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

What the combo produces

• Infinite colorless mana