Magearna @ Dragalgite  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Ice Beam  
- Focus Blast  
- Volt Switch  
- Spikes  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Judgment  
- Will-O-Wisp  
- Dragon Tail  
- Recover  

Pecharunt @ Latiasite  
Ability: Poison Puppeteer  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Malignant Chain  
- Shadow Ball  
- Nasty Plot  
- Recover  

Great Tusk @ Pinsirite  
Ability: Protosynthesis  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Rapid Spin  
- Rest  
- Sleep Talk  

Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Explosion  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  

Garganacl @ Sablenite  
Ability: Purifying Salt  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Salt Cure  
- Curse  
- Stealth Rock  
- Recover