Mew @ Mental Herb  
Ability: Synchronize  
EVs: 248 HP / 8 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Spikes  
- Taunt  
- Blaze Kick  

Barraskewda @ Life Orb  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Psychic Fangs  
- Liquidation  
- Poison Jab  

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

Gengar-Gmax @ Black Sludge  
Ability: Cursed Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Nasty Plot  
- Thunder  
- Shadow Ball  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 0 Atk  
- Transform  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 112 Def / 148 SpD  
Impish Nature  
- Leech Seed  
- Knock Off  
- Power Whip  
- Thunder Wave