It could be a Starlight Green Layer, like what @21hens-incharge said. They'd be sold at TSC, so it'd make sense that she is one. Her egg isn't dark enough to be an Olive Egger, and a lot of EEs sold from Hatcheries will have a pea comb or have some other resemblance to an Ameraucana. (This isn't...
I'd say you got an Olive Egger. The only Wyandotte I see in that bunch is the Silver Laced in the first picture. The rest looks like Black Australorps.