User blog comment:DYBAD/Character Sheet/@comment-25417020-20141029134014/@comment-4867780-20141029212756

Wraith wouldn't be able to access the plane in the first place, thanks to the global defense system infused into the space-time containing it (notably acting as an invisible wall against unauthorized planeswalkers). And regardless of their capabilities and power-level, Selforge Soldiers are adaptive golem-like automatons, making them essentially impervious to psychic tricks.

Their exponential offensive and defensive capabilities make them extremely difficult to take down, and even if you manage to do it, their properties-shifting and self-reshaping nature would almost them to reconstruct and (example : shift all separated parts into light, reassemble in an instant and return to battle). And that's not even counting the emergency mode.