Basalt Monolith + Karn's Touch + Training Grounds
Mana needed: {U}{U}
U identity
Commander legal
The 3 combo pieces
What must be in place
Basalt Monolith does not have summoning sickness.
How to execute it
- Cast Karn's Touch by paying {U}{U}, causing Basalt Monolith to become an artifact creature until end of turn.
- Activate Basalt Monolith's first ability by tapping it, adding {C}{C}{C}.
- Activate Basalt Monolith's second ability by paying {1}, untapping it.
- Repeat.
What the combo produces
- Infinite colorless mana