I'm at victory road in Pokemon saphire and my pokemon are low level.

Gardevoir can learn thunderbolt (replace confusion), train them to reach at least Lv 47-48 to have more of a chance-- although the elite 4 and the champion have pokemon starting from somewhere around Lv 46-6? (60). Evolve Lairon and Level Up Combusken to LV 50 (replace ember and Scratch with Sky Uppercut and Slash or Mirror Move) ( lv. up so you can gain better lv up moves and conserve TMs for breeding pokes) for more stat strength. I ume you want to stay with team... If you want finish quickly, use Kyogre (add thunder) and replace Ludicolo. Replace Facade and Quick attack with a hidden power, reflect, and/or light screen for team support and conserve TMs. Steel Wing to replace Fly or Wing Attack. Use serebii.net for reference.