Pokemon Sole Silvewr Is This A Good In Game Team For Pokemon Platinum?

Is this a good in game team for pokemon platinum? - pokemon sole silvewr

Infernape Lv.64 Flamethrower Flare Blitz Close Combat Shadow Claw
Air as Lv.63 Staraptor Brave Bird Fly Close Combat
Lv.57 Luxray Thunder Fang Crunch Discharge Charge
Gardevoir Lv.51 reflect the energy ball psychic burden of the carrier
Quagsire Lv.58 Earthquake Facade Yawn Surf
and is the only purpose that I want a Pokemon at LV exp.share and is the 2nd Time I am in front of the Pokemon Leauge
and barley, the 1st BTW, I propose the time trial at a Snorlax