Emry, Lurker of the Loch + Intruder Alarm + Shifting Wall

U identity

Commander legal

The 3 combo pieces

What must be in place

Emry does not have summoning sickness.

How to execute it

  1. Activate Emry by tapping it, allowing you to cast Shifting Wall from your graveyard this turn.
  2. Cast Shifting Wall by paying {0}.
  3. Shifting Wall enters the battlefield and dies as a state-based action due to having zero toughness.
  4. Intruder Alarm triggers, untapping all creatures.
  5. Repeat.

What the combo produces