Venusaur @ Black Sludge  
Ability: Overgrow  
EVs: 248 HP / 172 Def / 88 SpD  
Bold Nature  
IVs: 0 Atk  
- Leech Seed  
- Sleep Powder  
- Giga Drain  
- Sludge Bomb  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Wish  
- Protect  
- Moonblast  
- Teleport  

Gyarados @ Lum Berry  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Taunt  
- Dragon Dance  
- Waterfall  
- Earthquake  

Rotom-Heat @ Heavy-Duty Boots  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Nasty Plot  
- Overheat  
- Discharge  

Aegislash @ Weakness Policy  
Ability: Stance Change  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
- King's Shield  
- Shadow Sneak  
- Flash Cannon  
- Shadow Ball  

Terrakion @ Choice Scarf  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stone Edge  
- Close Combat  
- Earthquake  
- Stealth Rock