Hi ! Your team seems really cool but I have some points to modify ( from my point of view ).
1- Why did you put 252 EV's in attack for Landorus ? It might be more useful to get 252 HP, 240 Def, 8 SpDef ( to tank hp ice from mega-manectric at full hp ), 8 Spe ( to outspeed azumarill with jolly...