Mamoswine @ Icium Z  
Ability: Snow Cloak  
EVs: 140 HP / 252 Atk / 70 Def / 6 SpD / 40 Spe  
Adamant Nature  
- Icicle Crash  
- Knock Off  
- Earthquake  
- Iron Head  

Ninetales-Alola @ Light Clay  
Ability: Snow Warning  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aurora Veil  
- Moonblast  
- Freeze-Dry  
- Heal Bell  

Magnezone @ Choice Scarf  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flash Cannon  
- Hidden Power [Fire]  
- Volt Switch  
- Thunderbolt  

Abomasnow-Mega @ Abomasite  
Ability: Snow Warning  
EVs: 100 HP / 120 Atk / 140 Def / 110 SpA / 40 SpD  
Brave Nature  
- Ice Shard  
- Blizzard  
- Leech Seed  
- Wood Hammer  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Defog  
- Soft-Boiled  
- Aurora Veil  
- Flame Charge  

Hariyama @ Life Orb  
Ability: Thick Fat  
EVs: 180 HP / 252 Atk / 8 Def / 70 Spe  
Adamant Nature  
- Fake Out  
- Bullet Punch  
- Power-Up Punch  
- Close Combat