Blissey @ Sablenite  
Ability: Healer  
EVs: 4 HP / 252 Def / 252 SpD  
Bold Nature  
IVs: 0 Atk  
- Heal Bell  
- Soft-Boiled  
- Psywave  
- Confide  

Ditto @ Choice Scarf  
Ability: Imposter  
Happiness: 0  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Transform  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 252 HP / 184 Def / 72 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Defog  
- Toxic  

Gliscor @ Venusaurite  
Ability: Poison Heal  
EVs: 252 HP / 64 Def / 192 SpD  
Careful Nature  
- Earthquake  
- Roost  
- U-turn  
- Defog  

Mew @ Aggronite  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Whirlwind  
- Iron Head  
- Roost  
- Defog  

Toxapex @ Latiasite  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Recover  
- Haze