Mirror Box + Moritte of the Frost + Omarthis, Ghostfire Initiate

Mana needed: {2}{G}{U}{U} plus enough mana to pay for commander tax, if applicable

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Moritte of the Frost by paying {2}{G}{U}{U} plus commander tax (if applicable).
  2. Choose to have Moritte of the Frost enter the battlefield as a copy of Omarthis with two +1/+1 counters on it.
  3. Omarthis's first triggered ability triggers, putting a +1/+1 counter on itself.
  4. Moritte of the Frost triggers, putting a +1/+1 counter on itself.
  5. Repeat from step 3 any number of times.
  6. End the loop by declining to put a +1/+1 counter on one of your creatures.
  7. Warning: Omarthis's last ability can increase the risk of losing by drawing from an empty library if you place enough counters on them.

What the combo produces