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

Volcarona @ Buginium Z  
Ability: Flame Body  
EVs: 248 HP / 124 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Roost  
- Fiery Dance  
- Bug Buzz  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 12 SpA / 56 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Nature's Madness  
- Surf  
- Taunt  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 72 Def / 184 SpD  
Relaxed Nature  
- Giga Drain  
- Knock Off  
- Earthquake  
- Hidden Power [Ice]  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Stone Edge  
- Defog  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 212 HP / 252 Def / 44 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt