Celesteela @ Firium Z  
Ability: Beast Boost  
EVs: 76 HP / 252 SpA / 180 Spe  
Modest Nature  
IVs: 0 Atk  
- Air Slash  
- Fire Blast  
- Giga Drain  
- Autotomize  

Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Solar Beam  
- Focus Blast  
- Roost  

Toxapex @ Eject Button  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Toxic  
- Recover  

Dugtrio @ Choice Scarf  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Stone Edge  
- Toxic  
- Stealth Rock  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Giga Drain  
- Knock Off  
- Hidden Power [Ice]  
- Sludge Bomb  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 148 Def / 108 SpD  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Defog  
- Soft-Boiled  
- Ice Beam