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

Toxapex (M) @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 20 Def / 240 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Recover  
- Haze  
- Scald  

Ferrothorn (M) @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 88 Def / 168 SpD  
Impish Nature  
- Stealth Rock  
- Leech Seed  
- Power Whip  
- Thunder Wave  

Magnezone @ Electrium Z  
Ability: Magnet Pull  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Flash Cannon  
- Hidden Power [Fire]  
- Substitute  

Weavile (M) @ Choice Band  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Low Kick  
- Icicle Crash  
- Pursuit  
- Knock Off  

Gliscor (M) @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 152 SpD / 112 Spe  
Jolly Nature  
- Defog  
- Roost  
- Earthquake  
- Knock Off