This CBR article talks of the lasso's soul connection power in 55, but overlooks the fact it was first introduced by Gail Simone in the second issue of her run.
https://www.google.com/amp/s/www.cbr...-of-truth/amp/
Am I mistaken? I knowthe name golden perfect came from the JLA story but I was sure the power came from her meeting with Captain Nazi years later.