Sandman

Gigalith (M) @ Smooth Rock
Ability: Sand Stream
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Stealth Rock
- Toxic
- Heavy Slam
- Earthquake

Dugtrio-Alola (M) @ Choice Band
Ability: Sand Force
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Iron Head
- Stone Edge
- Sucker Punch

Magneton @ Choice Scarf
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hidden Power [Fire]
- Thunderbolt
- Flash Cannon
- Volt Switch

Reuniclus @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 200 Def / 56 SpD
Bold Nature
IVs: 0 Atk
- Calm Mind
- Psyshock
- Focus Blast
- Recover

Aerodactyl-Mega @ Aerodactylite
Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Aerial Ace
- Stone Edge
- Earthquake
- Hone Claws

Mandibuzz @ Leftovers
Ability: Overcoat
EVs: 252 HP / 252 Def / 4 SpD
Impish Nature
- Defog
- Roost
- Foul Play
- U-turn