Cauldron Familiar + Intruder Alarm + March of the Machines + and 2 others

UB identity

Commander legal

The 5 combo pieces

What must be in place

Witch's Oven does not have summoning sickness.

How to execute it

  1. Activate Witch's Oven by tapping it and sacrificing Cauldron Familiar, creating a Food artifact token.
  2. When the Food enters the battlefield as a creature due to March of the Machines, Intruder Alarm triggers, untapping all creatures.
  3. Activate Cauldron Familiar by sacrificing a Food token, returning it from your graveyard to the battlefield.
  4. When Cauldron Familar enters the battlefield, it and Intruder Alarm trigger.
  5. Resolve the Cauldron Familiar trigger, causing each opponent to lose 1 life and you to gain 1 life.
  6. Resolve the Intruder Alarm trigger, untapping all creatures.
  7. Repeat.

What the combo produces