Mew @ Mewnium Z  
Ability: Synchronize  
EVs: 248 HP / 236 SpD / 24 Spe  
Calm Nature  
IVs: 0 Atk  
- Nasty Plot  
- Roost  
- Psychic  
- Flamethrower  

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

Chansey @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Seismic Toss  
- Toxic  
- Stealth Rock  
- Soft-Boiled  

Gastrodon @ Leftovers  
Ability: Storm Drain  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Scald  
- Earthquake  
- Clear Smog  
- Recover  

Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 248 HP / 164 Def / 96 Spe  
Bold Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Roost  
- Defog  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Moonblast  
- Soft-Boiled  
- Aromatherapy  
- Knock Off