This doesn't work. While it is true that if you put an Abra in the gts you get a battle ready level 100 shiny, it is in its most competitive moveset and we all know sand force is a garbage ability. If you use this method, the Dugtrio will return with the tangling hair ability. However, if you request a Diglett, then it will come with the sand force ability. Just nickname it into FS2 or you're gonna get the original Diglett. I can provide you with the link to the instructions to this gts trick if you want