Agatha of the Vile Cauldron + Basalt Monolith + March of the Machines

GUR identity

Commander legal

The 3 combo pieces

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 at most {2}, untapping it.
  3. Repeat.

What the combo produces