Board Thread:General Discussion/@comment-5623885-20170909070142

This is moreso less of a discussion and more of a search for answers. Below is a photo of the All-Format Army:



You can see on the far right, to Archie's right, there's a new Guardian of an Obsolete Format that we haven't seen before. I'm curious to know which format this is, as some of the format Guardians I haven't even heard of before the first episode with them. 