Shedinja @ Focus Sash  
Ability: Wonder Guard  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Hone Claws  
- Baton Pass  
- Shadow Sneak  
- Protect  

Keldeo @ Choice Specs  
Ability: Justified  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 3 Atk / 30 Def / 30 SpD  
- Hydro Pump  
- Secret Sword  
- Focus Blast  
- Hidden Power [Ghost]  

Politoed @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Refresh  
- Toxic  
- Encore  

Tentacruel @ Black Sludge  
Ability: Rain Dish  
EVs: 208 HP / 204 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Rapid Spin  
- Toxic Spikes  
- Scald  
- Protect  

Thundurus-Therian (M) @ Leftovers  
Ability: Volt Absorb  
EVs: 128 HP / 172 SpA / 208 Spe  
Modest Nature  
IVs: 2 Atk / 30 Def  
- Thunder  
- Focus Blast  
- Agility  
- Hidden Power [Ice]  

Cloyster @ Never-Melt Ice  
Ability: Skill Link  
EVs: 8 HP / 252 Atk / 4 Def / 244 Spe  
Jolly Nature  
- Shell Smash  
- Ice Shard  
- Icicle Spear  
- Rock Blast