Intruder Alarm + Ulamog's Dreadsire

U identity

Commander legal

The 2 combo pieces

What must be in place

Ulamog's Dreadshire does not have summoning sickness.

How to execute it

  1. Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature token.
  2. When the Eldrazi enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  3. Repeat.

What the combo produces