Bello, Bard of the Brambles + Khalni Gem + Mana Reflection + Voltaic Construct

RG identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Khalni Gem by tapping it, adding four mana due to Mana Reflection.
  2. Activate Voltaic Construct by paying {2}, untapping Khalni Gem which is an artifact creature due to Bello.
  3. Repeat any number of times.

What the combo produces