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

Toxapex @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 84 Def / 172 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Haze  
- Recover  

Gliscor @ Toxic Orb  
Ability: Hyper Cutter  
EVs: 244 HP / 244 SpD / 20 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Facade  
- Roost  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 212 HP / 224 Def / 72 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Fleur Cannon  
- Thunderbolt  
- Pain Split  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 216 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Lava Plume  
- Roar  
- Toxic  

Tornadus-Therian (M) @ Rocky Helmet  
Ability: Regenerator  
EVs: 240 HP / 64 Def / 204 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog