Crabominable @ Chople Berry  
Ability: Iron Fist  
EVs: 252 HP / 56 Atk / 180 Def / 20 Spe  
Impish Nature  
- Bulk Up  
- Drain Punch  
- Close Combat  
- Substitute  

Rotom-Frost @ Electrium Z  
Ability: Levitate  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Thunderbolt  
- Pain Split  
- Charge  

Froslass @ Ghostium Z  
Ability: Snow Cloak  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Disable  
- Substitute  
- Taunt