>>21101256>implying the ones found in xy won't stay unreleased and unusedI wouldn't be surprised if they at least give Latias a new model. They changed Gogoat's Shiny pallet in a very short time before the release of the game. And if the Lati@sites are event-only then it doesn't matter, they can always edit them for a patch post-release, though I doubt that will happen.
