Activate Dalakos by tapping it, adding ({C} magic symbol) ({C} magic symbol) that can only be spent on artifacts or to activate abilities of artifacts.
Activate Pentavus's first ability by paying ({1} magic symbol) , creating a 1/1 Pentavite creature token.
Creature tokens enters the battlefield, triggering Intruder Alarm, untapping all creatures.
Pandemonium triggers, dealing 1 damage to any target.
Activate Pentavus's second ability by paying ({1} magic symbol) and sacrificing a Pentavite, putting a +1/+1 counter on Pentavus.