User blog comment:The Black Dragon of Orihara/Walpurgisnacht League/@comment-995908-20160403002116/@comment-25638472-20160403014059

I guess it'll be taken care of by the similator anyways, if we just set it to OU rules. Basically, sleep clause, freeze clause, species clause, possibly item clause, evasion clause, ohko and moody clauses. Oh, and you can't have both drizzle and swift swim on a team in OU.