What am I doing wrong here guys, can't break the 35 win streak.

Klefki prankster flame orb
Switcheroo, dazzling gleam, twave, light screen

Rotom wash lefties
Hydro pump, pain split, thunderbolt prot.

Mega salamence (ev for spec att)
Flame thrower, dragon pulse, hyper voice, prot

Terrakion - justified - focus sash
Rock slide, close combat, poison jab, prot

Please tell me what to change?!