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I'd say adding Defensive Dance MegAltaria, since it seems like a very good sweeper/tank. EVs are to speedcreep Positive Nature Max Speed +0 Mega Lopunny and Mega Manectric.
406 / Mega Altaria / 80 / Neutral / 28 / +2
I have to agree with most people on Firebird, even though at first, a pokemon with a x4 weakness looks kinda bad, tres can be quite versatile. I'd be ok with a ban, but I wouldn't mind if it stayed.
On the other hand, Pangoro is kind of an obvious vote (again, there are plenty of reasons with...