Fan Casting Harbinger in Justice League: Crisis on Infinite Earths

When she was still a child, Lyla was found floating on the high seas, the only survivor of a shipwreck, before being brought aboard a satellite, where she would spend her life recording all of known history, and cataloging the abilities of numerous metahumans along the space-time. Today, she was responsible for assemble select heroes in the face of the oncoming threat - most, like the Justice League upon initial contact, have gone voluntarily. Others, sort of by coercion.