since there's 300 calls to rand to shuffle, I wouldn't be surprised if
there are vblanks messing up the frames
judging from my data 6 years ago (wow, still wrong, just look at the
frame offsets)
http://www.smogon.com/forums/threads/past-gen-rng-research.61090/page-35#post-4021415
looks like it happens quite erratically. may have to just override this
to return true for all gen3 safari mons as it's entirely unpredictable.
