Cloyster @ Focus Sash  
Ability: Skill Link  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spikes  
- Rapid Spin  
- Explosion  
- Icicle Spear  

Kyurem-Black @ Never-Melt Ice  
Ability: Skill Link  
EVs: 100 HP / 156 Atk / 252 Spe  
Adamant Nature  
- Icicle Spear  
- Rock Blast  
- Ice Shard  
- Shell Smash  

Archeops @ Choice Scarf  
Ability: Skill Link  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Rock Blast  
- Ice Shard  
- Liquidation  
- Explosion  

Walrein @ Waterium Z  
Ability: Shell Armor  
EVs: 160 HP / 80 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Ice Beam  
- Hidden Power [Electric]  
- Shell Smash  

Primarina @ Leftovers  
Ability: Shell Armor  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Surf  
- Ice Beam  
- Rapid Spin  
- Protect  

Snorlax @ Leftovers  
Ability: Overcoat  
Happiness: 0  
EVs: 188 HP / 128 Def / 192 SpD  
Careful Nature  
- Curse  
- Frustration  
- Rest  
- Sleep Talk