I just beat Clay and I am having good luck with Sandslash. It and Azumarill have just been ballers for me. My only thing is that that the slow SpD hurts sometimes. Magnemite has been awesome, that 3 gym drought has hurt though as it is meh against Burgh, bad against Elesa and well yeah against Clay. Luckily it will pick up some steam now.
I have a team of Sandslash, Magnemite, Azumarill, Zorua, Darumaka and am trying different things in that last slot. If I had to pick an MVP right now, it has to be Azumarill. It was key against Cheren, Clay and it did clean up duty against Elesa's trainers. Darumaka just destroys Burgh and you need to get one before facing him.
I may try Ducklett now that Clay is defeated. I know it is good against it but Azumarill just straight up has dominated. Not too mention I need a flying type because I have a big grass and bug weakness. Darumaka and Magnemite are the only two not weak against them.
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