Cavern Harpy + Fallaji Wayfarer + Intruder Alarm

BGU identity

Commander legal

The 3 combo pieces

What must be in place

You control an additional blue or black creature.

How to execute it

  1. Cast Cavern Harpy by tapping Fallaji Wayfarer and a blue or black creature.
  2. Cavern Harpy enters the battlefield, triggering itself and Intruder Alarm.
  3. Resolve the Cavern Harpy trigger, returning it from the battlefield to your hand.
  4. Resolve the Intruder Alarm trigger, untapping all creatures.
  5. Repeat.

What the combo produces