Gyarados @ Leftovers  
Ability: Moxie  
EVs: 96 HP / 252 Atk / 156 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Bounce  
- Substitute  

Politoed @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Scald  
- Protect  
- Refresh  
- Encore  

Tentacruel @ Black Sludge  
Ability: Rain Dish  
EVs: 252 HP / 72 Def / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Rapid Spin  
- Toxic Spikes  
- Protect  

Mamoswine @ Chople Berry  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Substitute  
- Earthquake  
- Icicle Crash  
- Ice Shard  

Latios (M) @ Choice Scarf  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Surf  
- Trick  
- Dragon Pulse  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 252 SpD  
Careful Nature  
- Spikes  
- Knock Off  
- Power Whip  
- Stealth Rock