Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 20 Def / 240 SpD  
Calm Nature  
IVs: 0 Atk  
- Volt Switch  
- Hydro Pump  
- Will-O-Wisp  
- Pain Split  
 

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