Grim Monolith + The Blackstaff of Waterdeep + Voltaic Construct
Mana needed: {1}{U}
U identity
Commander legal
The 3 combo pieces
How to execute it
- Animate Grim Monolith using The Blackstaff of Waterdeep.
- Activate Grim Monolith by tapping it, adding {C}{C}{C}.
- Activate Voltaic Construct by paying {2}, untapping Grim Monolith.
- Repeat from step 2.
What the combo produces
- Infinite colorless mana
- Infinite untap of artifact creatures you control