Mikaeus, the Unhallowed + Obstinate Gargoyle + Phyrexian Altar

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Obstinate Gargoyle.
  2. When Obstinate Gargoyle dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Activate Phyrexian Altar by sacrificing Obstinate Gargoyle.
  4. When Obstinate Gargoyle dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  5. Repeat.

What the combo produces