[barnstenchfartface]

Ok so I've done some reading around and it looks like you get 10 Beast Balls per UB, so you can get 50 of them total. After you run out you can ask Looker for more and he gives you one, which is where you can implement that exploit.

So you're not that limited, which is good. They're breedable even, which should be neat. Suddenly find myself wanting a shiny BB Minior...

Also apparently I was misinformed and you only get one Nihilego? I don't even know.