Reuniclus (M) @ Grassium Z  
Ability: Magic Guard  
EVs: 252 HP / 248 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Energy Ball  
- Recover  

Clefable (F) @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 96 Def / 148 SpD / 12 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Soft-Boiled  
- Thunder Wave  

Gastrodon-East (M) @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Scald  
- Earthquake  
- Recover  
- Clear Smog  

Magnezone @ Choice Scarf  
Ability: Magnet Pull  
EVs: 4 HP / 4 Def / 248 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Hidden Power [Fire]  
- Flash Cannon  
- Thunder Wave  

Latios-Mega (M) @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Ice Beam  
- Recover  
- Earthquake  

Skarmory (M) @ Rocky Helmet  
Ability: Sturdy  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Toxic  
- Roost  
- Whirlwind