Volcarona @ Lum Berry  
Ability: Flame Body  
EVs: 184 HP / 136 Def / 36 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Roost  

Magearna @ Electrium Z  
Ability: Soul-Heart  
EVs: 252 HP / 152 Def / 104 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Thunderbolt  
- Fleur Cannon  
- Pain Split  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 204 Def / 56 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Haze  
- Scald  
- Toxic Spikes  

Landorus-Therian (M) @ Iapapa Berry  
Ability: Intimidate  
EVs: 224 HP / 72 Atk / 32 SpD / 180 Spe  
Adamant Nature  
IVs: 30 Atk  
- Stealth Rock  
- Hidden Power [Ice]  
- Earthquake  
- Stone Edge  

Mew @ Colbur Berry  
Ability: Synchronize  
EVs: 248 HP / 44 Def / 216 Spe  
Jolly Nature  
- Will-O-Wisp  
- Defog  
- Knock Off  
- Soft-Boiled  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 112 HP / 4 Atk / 140 SpA / 252 Spe  
Timid Nature  
- Ice Beam  
- Earthquake  
- Draco Meteor  
- Roost