Intruder Alarm + Man-o'-War

U identity

Commander legal

The 2 combo pieces

What must be in place

Creatures you control can tap to produce at least {2}{U}.

How to execute it

  1. Activate all mana-producing creatures you control by tapping them, adding at least {2}{U}.
  2. Cast Man-o'-War by paying {2}{U}.
  3. Man-o'-War enters the battlefield, triggering Intruder Alarm and Man-o'-War.
  4. Resolve the Intruder Alarm's trigger, untapping all creatures you control.
  5. Resolve the Man-o'-War's trigger, returning it to your hand.
  6. Repeat.

What the combo produces