Mamoswine @ Never-Melt Ice  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Icicle Crash  
- Earthquake  
- Ice Shard  
- Superpower  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Ice Punch  
- Earthquake  
- Roost  

Regieleki @ Heavy-Duty Boots  
Ability: Transistor  
Shiny: Yes  
EVs: 96 HP / 252 SpA / 160 Spe  
Timid Nature  
- Electro Ball  
- Rapid Spin  
- Volt Switch  
- Ancient Power  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Power Whip  
- Knock Off  
- Leech Seed  
- Stealth Rock  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Future Sight  
- Slack Off  
- Teleport  

Umbreon @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 104 Def / 152 SpD  
Calm Nature  
IVs: 0 Atk  
- Foul Play  
- Wish  
- Protect  
- Heal Bell