Empowered Autogenerator + Grim Monolith + Trazyn the Infinite

B identity

Commander legal

The 3 combo pieces

What must be in place

Trazyn has at least three charge counters on it.

How to execute it

  1. Activate Trazyn using Empowered Autogenerator's ability by tapping it, putting a charge counter on Trazyn and adding one mana of any color for each charge counter on it.
  2. Activate Trazyn using Grim Monolith's ability by paying {4}, untapping Trazyn.
  3. Repeat.

What the combo produces