Pearl Team

[Fiore]

So far im only at the 3rd gym, I only have 3 on my team and am looking for help with movesets and 3 other pokemon.
Lv.28 Prinplup
~Grass Knot
~Metal Claw
~Bubblebeam
~Peck
Lv.27 Staravia
~Double Team
~Wing Attack
~Quick Attack
~Endeavor
Lv.27 Luxio
~Spark
~Growl
~Bite
~Hidden Power
I originally had a budew in there but it's lvl 27 and hasnt evolved yet and I've just given up on it.