Clock of Omens + Everflowing Chalice + Grim Monolith + Staff of Domination

C identity

Commander legal

The 4 combo pieces

What must be in place

Everflowing Chalice has at least six charge counters on it.

How to execute it

  1. Activate Everflowing Chalice by tapping it, adding at least six {C}.
  2. Activate Clock of Omens by tapping Staff of Domination and Grim Monolith, untapping Everflowing Chalice.
  3. Activate Grim Monolith's second ability by paying {4}, untapping it.
  4. Activate Staff of Domination's first ability by paying {1}, untapping it.
  5. Repeat.
  6. Once you have infinite mana, you may use it to activate Staff of Domination's other abilities and/or untap any artifact(s) you control.

What the combo produces