I'm planning to attempt the Maison again with a team of my own design:
Scizor @ Leftovers
Adamant
252 HP / 40 ATK / 216 DEF
Bullet Punch
Bug Bite
Swords Dance
Roost
Breloom @ Lum Berry
Jolly (Technician)
252 ATK / 252 SPE / 4 HP
Mach Punch
Bullet Seed
Spore
Swords Dance
Heatran @ Air Balloon
Timid
252 SATK / 252 SPE / 4 HP
Flamethrower
Earth Power
Hidden Power Ice
Substitute
That was so amazing.