User blog comment:The Black Dragon of Orihara/Walpurgisnacht League/@comment-995908-20160403002116/@comment-995908-20160403005552

@Solar: You mean only one Pokemon can be burned, put to sleep, frozen, etc. at a time?

@Elly: Makes sense, since Solar said 'no Uber-tier Pokemon', which I'm assuming also applies to Uber-tier Megas.