Tweks?

Heracross-Mega @ Heracronite
Ability: Skill Link
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Close Combat
- Pin Missile
- Rock Blast
- Substitute

Latios (M) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Roost
- Draco Meteor
- Thunderbolt
- Psyshock

Clefable @ Leftovers
Ability: Magic Guard
EVs: 156 HP / 252 Def / 100 SpD
Bold Nature
- Moonblast
- Stealth Rock
- Flamethrower
- Soft-Boiled

Excadrill @ Air Balloon
Ability: Sand Rush
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Earthquake
- Iron Head
- Rapid Spin
- Rock Slide

Tyranitar @ Choice Scarf
Ability: Sand Stream
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stone Edge
- Crunch
- Earthquake
- Pursuit

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 150 Def / 106 SpD
Bold Nature
- Hydro Pump
- Will-O-Wisp
- Volt Switch
- Pain Split