Diancie @ Diancite  
Ability: Magic Bounce  
EVs: 240 HP / 16 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Substitute  
- Endeavor  
- Diamond Storm  

Breloom @ Focus Sash  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spore  
- Mach Punch  
- Bullet Seed  
- Swords Dance  

Thundurus-Therian (M) @ Rocky Helmet  
Ability: Volt Absorb  
EVs: 112 HP / 144 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 Def  
- Volt Switch  
- Hidden Power [Ice]  
- Taunt  
- Defog  

Volcarona @ Buginium Z  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Quiver Dance  
- Fire Blast  
- Bug Buzz  
- Hidden Power [Ground]  

Magearna @ Wiki Berry  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 224 SpA / 8 SpD  
Modest Nature  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt  

Manaphy @ Leftovers  
Ability: Hydration  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Tail Glow  
- Surf  
- Ice Beam  
- Psychic