m-chomp + speedpass

Garchomp-Mega @ Garchompite
Ability: Rough Skin
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Swords Dance
- Dragon Claw
- Earthquake
- Fire Fang

Scolipede @ Black Sludge
Ability: Speed Boost
EVs: 252 HP / 4 Atk / 252 Spe
Jolly Nature
- Protect
- Baton Pass
- Megahorn
- Substitute

Volcanion @ Life Orb
Ability: Water Absorb
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Steam Eruption
- Flamethrower
- Earth Power
- Sludge Bomb

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 184 Def / 4 SpA / 68 SpD
Bold Nature
IVs: 0 Atk
- Calm Mind
- Moonblast
- Soft-Boiled
- Thunder Wave

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 252 HP / 224 Def / 32 Spe
Impish Nature
- Earthquake
- Stealth Rock
- U-turn
- Stone Edge

Scizor @ Iron Plate
Ability: Technician
EVs: 248 HP / 60 Def / 200 SpD
Impish Nature
- Bullet Punch
- Defog
- Roost
- U-turn