Kommo-o @ Leftovers  
Ability: Soundproof
EVs: 252 HP / 164 Def / 92 SpD  
Impish Nature  
- Stealth Rock  
- Drain Punch  
- Protect  
- Toxic  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Recover  
- Haze

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD
Careful Nature  
- Spikes  
- Power Whip  
- Protect  
- Leech Seed  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 248 SpD / 16 Spe  
Careful Nature  
- Earthquake  
- Facade  
- Roost  
- Swords Dance  

Tornadus-Therian (M) @ Flyinium Z  
Ability: Regenerator  
EVs: 52 Atk / 252 SpA / 204 Spe  
Naive Nature  
- Hurricane  
- Superpower  
- U-turn  
- Defog  

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