Rotom-Frost @ Electrium Z  
Ability: Levitate  
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Hex  
- Thunder  
- Charge  

Articuno @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Protect  
- Roost  
- Icy Wind  

Froslass (F) @ Psychium Z  
Ability: Snow Cloak  
EVs: 8 HP / 252 Def / 248 Spe  
Bold Nature  
IVs: 0 Atk  
- Disable  
- Light Screen  
- Pain Split  
- Psychic