Mamoswine @ Focus Sash  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stone Edge  
- Earthquake  
- Ice Shard  
- Stealth Rock  

Gyarados @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Waterfall  
- Earthquake  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 8 SpA / 252 SpD  
Sassy Nature  
- Fleur Cannon  
- Iron Head  
- Hidden Power [Fire]  
- Volt Switch  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Will-O-Wisp  
- Volt Switch  
- Hydro Pump  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 252 HP / 48 Def / 208 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Knock Off  

Blacephalon @ Choice Scarf  
Ability: Beast Boost  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Explosion  
- Flamethrower  
- Fire Blast  
- Shadow Ball