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

Talonflame @ Leftovers  
Ability: Gale Wings  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Brave Bird  
- Will-O-Wisp  
- Roost  
- Swords Dance  

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 32 HP / 56 Def / 168 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Stealth Rock  
- Rapid Spin  

Volcanion @ Choice Scarf  
Ability: Water Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steam Eruption  
- Flamethrower  
- Earth Power  
- Sludge Bomb  

Serperior @ Leftovers  
Ability: Contrary  
Shiny: Yes  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Leaf Storm  
- Hidden Power [Ground]  
- Glare  
- Synthesis  

Mew @ Rocky Helmet  
Ability: Synchronize  
EVs: 248 HP / 188 Def / 72 Spe  
Bold Nature  
- Knock Off  
- Will-O-Wisp  
- Soft-Boiled  
- U-turn