Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psyshock  
- Ice Beam  
- Calm Mind  
- Recover  

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

Hippowdon @ Rocky Helmet  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Toxic  
- Stealth Rock  
- Slack Off  

Mantine @ Heavy-Duty Boots  
Ability: Water Absorb  
EVs: 248 HP / 160 Def / 100 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Defog  
- Roost  

Cinderace @ Heavy-Duty Boots  
Ability: Libero  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Pyro Ball  
- Gunk Shot  
- Zen Headbutt  
- Bulk Up  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Seismic Toss  
- Toxic  
- Teleport  
- Soft-Boiled