Mikaeus, the Unhallowed + Walking Ballista

B identity

Commander legal

The 2 combo pieces

What must be in place

Walking Ballista on the battlefield with a +1/+1 counter on it.

How to execute it

  1. Activate Walking Ballista's last ability by removing a +1/+1 counter from it, dealing 1 damage to itself.
  2. Walking Ballista dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Repeat.

What the combo produces