Castform @ Lum Berry  
Ability: Forecast  
Level: 72  
Timid Nature  
IVs: 0 Atk  
- Hail  
- Blizzard  
- Thunder  
- Flamethrower  

Cloyster @ Lum Berry  
Ability: Shell Armor  
Level: 72  
Rash Nature  
- Blizzard  
- Surf  
- Hidden Power [Grass]  
- Explosion  

Jynx @ Lum Berry  
Ability: Oblivious  
Level: 72  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Ice Beam  
- Psychic  
- Hail  
- Hidden Power [Fire]  

Piloswine @ Leftovers  
Ability: Oblivious  
Level: 72  
Adamant Nature  
- Earthquake  
- Double-Edge  
- Rock Slide  
- Hail  

Walrein @ Leftovers  
Ability: Thick Fat  
Level: 72  
Modest Nature  
IVs: 0 Atk  
- Surf  
- Ice Beam  
- Toxic  
- Rest  

Regice @ Lum Berry  
Ability: Clear Body  
Level: 74  
Calm Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunderbolt  
- Rest  
- Toxic