Not sure what changed, but now it is working. I had it that way earlier, but it wouldn't let me use it. Maybe I needed to click validate? Because that's the only difference this time and it worked. Thanks though.Try running Zacian @ Rusted Sword, which will cause it to transform to Zacian-C. It's the same way as running Groudon @ Red Orb last gen.
Also, yes I'm curious about a resources page as well.