Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform  

Wishiwashi @ Leftovers  
Ability: Schooling  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- U-turn  
- Scald  
- Toxic  
- Protect  

Stunfisk-Galar @ Leftovers  
Ability: Mimicry  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Rock Slide  
- Protect  

Silvally-Poison @ Poison Memory  
Ability: RKS System  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Multi-Attack  
- Crunch  
- U-turn  
- Swords Dance  

Altaria @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 120 Def / 136 Spe  
Bold Nature  
IVs: 0 Atk  
- Roost  
- Defog  
- Hurricane  
- Toxic  

Rotom @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Shadow Ball  
- Volt Switch  
- Trick  
- Thunderbolt