Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Def / 252 SpA  
Quiet Nature  
IVs: 0 Spe  
- Transform  

Raichu @ Heavy-Duty Boots  
Ability: Lightning Rod  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Knock Off  
- Nasty Plot  
- Surf  
- Volt Switch  

seignosse (Palossand) @ Colbur Berry  
Ability: Water Compaction  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
- Stealth Rock  
- Earth Power  
- Shadow Ball  
- Shore Up  

Articuno @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 204 SpD / 56 Spe  
Calm Nature  
- Roost  
- Heal Bell  
- Freeze-Dry  
- U-turn  

Throh (M) @ Leftovers  
Ability: Guts  
EVs: 248 HP / 216 SpD / 44 Spe  
Careful Nature  
- Circle Throw  
- Knock Off  
- Rest  
- Sleep Talk  

Silvally-Water @ Water Memory  
Ability: RKS System  
EVs: 248 HP / 252 Def / 8 Spe  
Relaxed Nature  
- Defog  
- Multi-Attack  
- Thunderbolt  
- U-turn