Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 44 Def / 212 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Recover  
- Toxic  

Reuniclus @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 212 Def / 44 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Focus Blast  
- Recover  

Latias @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Ice Beam  
- Stored Power  
- Roost  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 224 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Thunderbolt  
- Fleur Cannon  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Slack Off  
- Toxic