Heartmender + Mikaeus, the Unhallowed + Phantom Train

WBG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phantom Train by sacrificing Heartmender.
  2. When Heartmender dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Resolve the Phantom Train ability.
  4. Activate Phantom Train by sacrificing Heartmender.
  5. When Heartmender dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  6. Resolve the Phantom Train ability.
  7. Repeat.

What the combo produces