Corpse Dance + Illuminor Szeras + Intruder Alarm

UB identity

Commander legal

The 3 combo pieces

What must be in place

Illuminor Szeras does not have summoning sickness.
You control another nontoken creature with mana value six or greater.

How to execute it

  1. Activate Illuminor Szeras by tapping it and sacrificing a nontoken creature with mana value six or greater, adding at least six {B}.
  2. Cast Corpse Dance with buyback by paying {4}{B}, returning the creature with mana value six or greater from your graveyard to the battlefield, and returning Corpse Dance to your hand.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.

What the combo produces