Sand Team (I think?)

Tyranitar (M) @ Weakness Policy
Ability: Sand Stream
Level: 50
EVs: 60 HP / 252 Atk / 196 Spe
Adamant Nature
- Rock Slide
- Crunch
- Superpower
- Protect

Excadrill (M) @ Life Orb
Ability: Sand Rush
Level: 50
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Iron Head
- High Horsepower
- Rock Slide
- Protect

Duraludon (M) @ Assault Vest
Ability: Stalwart
Level: 50
EVs: 244 HP / 156 SpA / 108 SpD
Modest Nature
IVs: 0 Atk
- Flash Cannon
- Draco Meteor
- Snarl
- Thunderbolt

Rotom-Mow @ Sitrus Berry
Ability: Levitate
Level: 50
EVs: 252 HP / 132 Def / 60 SpA / 64 SpD
Calm Nature
IVs: 0 Atk
- Leaf Storm
- Volt Switch
- Will-O-Wisp
- Protect

Gastrodon-East (F) @ Wiki Berry
Ability: Storm Drain
Level: 50
EVs: 204 HP / 172 Def / 108 SpA / 24 SpD
Modest Nature
IVs: 0 Atk
- Earth Power
- Scald
- Recover
- Protect

Whimsicott (F) @ Focus Sash
Ability: Prankster
Level: 50
EVs: 252 HP / 4 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Moonblast
- Energy Ball
- Tailwind
- Taunt