Just a side note on the EV spread : 96 + 252 + 156 = 504, 4 EVs are missing
And Timid Mega Sceptile hits 427 speed with 252 EVs, MegaPert hits 214 speed with only 152 EVs and then, 428 under the rain. So 152 speed EVs shouldn't be enough ?
Sorry if I sound silly, but this is just a little...