Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Moonblast  
- Diamond Storm  
- Hidden Power [Fire]  
- Earth Power  

Volcarona @ Buginium Z  
Ability: Swarm  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Fire Blast  
- Giga Drain  
- Bug Buzz  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 104 Def / 156 SpD  
Relaxed Nature  
- Leech Seed  
- Protect  
- Heavy Slam  
- Flamethrower  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpA / 252 Spe  
Jolly Nature  
- Earthquake  
- Defog  
- U-turn  
- Hidden Power [Ice]  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Stealth Rock  
- Taunt  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
- Scald  
- Haze  
- Recover  
- Toxic Spikes