Altaria-Mega @ Altarianite  
Ability: Pixilate  
EVs: 252 HP / 148 SpA / 108 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Fire Blast  
- Roost  
- Ice Beam  

Diggersby @ Life Orb  
Ability: Huge Power  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Return  
- Earthquake  
- Quick Attack  
- Fire Punch  

Magnezone @ Choice Scarf  
Ability: Magnet Pull  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Volt Switch  
- Hidden Power [Fire]  
- Flash Cannon  
- Thunderbolt  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 240 HP / 72 Def / 140 SpD / 56 Spe  
Bold Nature  
IVs: 0 Atk  
- Psychic  
- Will-O-Wisp  
- Soft-Boiled  
- Stealth Rock  

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Stone Edge  
- Crunch  
- Pursuit  
- Superpower  

Volcarona @ Firium Z  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Quiver Dance  
- Fire Blast  
- Giga Drain  
- Hidden Power [Ground]