Toxapex @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 148 Def / 108 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Toxic  
- Recover  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Heavy Slam  
- Protect  
- Leech Seed  
- Flamethrower  

Ditto @ Choice Scarf  
Ability: Imposter  
Hidden Power: Ground  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Transform  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 56 Def / 92 SpD / 112 Spe  
Jolly Nature  
- Stealth Rock  
- Knock Off  
- Roost  
- Earthquake  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Ice Beam  
- Thunderbolt  
- Roost  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD  
Careful Nature  
- Leech Seed  
- Iron Head  
- Spikes  
- Thunder Wave