MTG >Combos >Intruder Alarm +Metallic Mimic +Xavier Sal, Infested Captain +

With

Intruder Alarm

,

Metallic Mimic

naming a creature type that you have a token for,

Xavier Sal, Infested Captain

on the battlefield, and at least one other creature token with a +1 counter /+1. 1-

Xavier Sal, Infested Captain

Remove a +1/+1 counter from a creature and create a copy of the incoming token with a +1/+1 counter on it. 2- Untap all your creatures. Repeat.