Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Stockpile  
- Toxic  
- Baneful Bunker  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 196 Def / 60 SpD  
Sassy Nature  
IVs: 0 Spe  
- Heavy Slam  
- Leech Seed  
- Wide Guard  
- Protect  

Diancie @ Safety Goggles  
Ability: Clear Body  
EVs: 248 HP / 92 Atk / 52 Def / 116 SpD  
Relaxed Nature  
- Diamond Storm  
- Body Press  
- Trick Room  
- Protect  

Landorus-Therian (M) @ Sitrus Berry  
Ability: Intimidate  
EVs: 252 HP / 116 SpA / 48 SpD / 92 Spe  
Modest Nature  
- Earth Power  
- Knock Off  
- Stealth Rock  
- U-turn  

Cresselia (F) @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 164 Def / 92 SpD  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Stored Power  
- Calm Mind  
- Moonlight  

Weezing-Galar @ Sitrus Berry  
Ability: Neutralizing Gas  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Dazzling Gleam  
- Fire Blast  
- Toxic Spikes  
- Will-O-Wisp