Glen Elendra Archmage + Thran Vigil + Yahenni, Undying Partisan

UB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing Glen Elendra Archmage.
  2. When Glen Elendra Archmage dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Thran Vigil triggers, putting a +1/+1 counter on Glen Elendra Archmage.
  4. Resolve the Yahenni ability.
  5. Repeat.

What the combo produces