Buzzwole @ Rocky Helmet  
Ability: Beast Boost  
EVs: 252 HP / 148 Def / 44 SpD / 64 Spe  
Impish Nature  
- Drain Punch  
- Ice Punch  
- Bulk Up  
- Roost  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 100 Def / 156 SpD  
Relaxed Nature  
- Flamethrower  
- Heavy Slam  
- Leech Seed  
- Protect  

Toxapex @ Shed Shell  
Ability: Regenerator  
EVs: 252 HP / 136 Def / 120 SpD  
Calm Nature  
- Knock Off  
- Recover  
- Toxic Spikes  
- Haze  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 248 HP / 64 Def / 44 SpD / 152 Spe  
Jolly Nature  
- Swords Dance  
- Roost  
- Earthquake  
- Facade  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Ice Beam  
- Roost  
- Defog  

Clefable @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Calm Mind  
- Wish  
- Protect