I don’t remember if it was ever mentioned in older editions, but would Mordenkainen’s disjunction do anything particularly harmful to a warforged? Or would it not exist in eberron since Mordenkainen isn’t a figure in eberron’s history?

Warforged are made using magic, but they aren’t magic items; they’re living creatures. They aren’t adversely affected by antimagic fields, dispel magic, or similar effects.

— Keith Baker (@HellcowKeith) March 15, 2020