Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 196 Def / 64 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Recover  
- Baneful Bunker  

Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Moonblast  
- Earth Power  
- Diamond Storm  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Wood Hammer  
- U-turn  
- Grassy Glide  
- Superpower  

Magnezone @ Choice Specs  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Flash Cannon  
- Steel Beam  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 32 Def / 224 Spe  
Jolly Nature  
- U-turn  
- Earthquake  
- Defog  
- Hidden Power [Ice]  

Dragapult @ Ghostium Z  
Ability: Clear Body  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Darts  
- Phantom Force  
- Substitute