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

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Sacred Sword  
- Defog  

Melmetal @ Assault Vest  
Ability: Iron Fist  
EVs: 252 Atk / 212 SpD / 44 Spe  
Adamant Nature  
- Double Iron Bash  
- Thunder Punch  
- Ice Punch  
- Superpower  

Garchomp @ Rockium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Stone Edge  
- Swords Dance  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 116 Def / 144 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Draining Kiss  
- Taunt  

Zapdos @ Heavy-Duty Boots  
Ability: Static  
EVs: 248 HP / 180 Def / 80 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Hidden Power [Ice]  
- Heat Wave  
- Roost