Intruder Alarm + Master Biomancer + Xavier Sal, Infested Captain

BGU identity

Commander legal

The 3 combo pieces

What must be in place

Xavier Sal does not have summoning sickness.
You control at least one nonlegendary creature token.
There is at least one counter on a permanent you control.

How to execute it

  1. Activate Xavier Sal's first ability by removing a counter from a permanent you control, creating a copy of a creature token you control that enters the battlefield with two +1/+1 counters on it due to Master Biomancer.
  2. When the creature token enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  3. Repeat.

What the combo produces