pf2e.fyi
From Pathfinder Lost Omens Hellfire Dispatches, which isn't enabled.

Domino Effect

FEAT 14
UNCOMMONARCHETYPECONCENTRATE
Activity reaction
Archetype Snarecrafter
Prerequisites Brastlewark Snare Engineering
Trigger A creature triggers a magical snare you crafted.

You've learned to pull the invisible strings of magic to affect targets that wouldn't normally be. A creature you choose within 15 feet of the triggering creature is affected by the same snare as if they had also triggered it.

Pathfinder Lost Omens Hellfire DispatchesORC