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Hp fighthing better in espeon
Fun team or not krookodile is really bad in OU metagame(but you can use thing like jellicent/espeon because you using fun team)
You are new no ? okay lets start :
You need to see viability ranking http://www.smogon.com/forums/threads/oras-ou-viability-ranking-thread-v3-read-post-1054-page-43.3536420/
You can use pokemon B to S only
You need to build around one pokemon or mega-mon currently and do good core like ...