Hippowdon @ Rocky Helmet  
Ability: Sand Stream  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Slack Off  
- Toxic  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Overcoat  
EVs: 248 HP / 40 Def / 220 SpD  
Careful Nature  
IVs: 29 Spe  
- Foul Play  
- Roost  
- U-turn  
- Defog  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 200 Def / 56 SpD  
Relaxed Nature  
- Scald  
- Knock Off  
- Recover  
- Haze  

Magearna @ Choice Specs  
Ability: Soul-Heart  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Flash Cannon  
- Trick  
- Volt Switch  

big C (Cinderace) @ Heavy-Duty Boots  
Ability: Libero  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Pyro Ball  
- Gunk Shot  
- Zen Headbutt  
- U-turn  

Dragapult @ Leftovers  
Ability: Infiltrator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Draco Meteor  
- Hex  
- Thunder Wave  
- U-turn