Ashnod's Altar + Mikaeus, the Unhallowed + Pith Driller

B identity

Commander legal

The 3 combo pieces

What must be in place

Pith Driller does not have a +1/+1 counter on it.

How to execute it

  1. Activate Ashnod's Altar by sacrifiicing Pith Driller, adding {C}{C}.
  2. When Pith Driller dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. When Pith Driller enters the battlefield, it triggers, putting a -1/-1 counter on it.
  4. Repeat.

What the combo produces