Mew @ Weakness Policy  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Cosmic Power  
- Stored Power  
- Roost  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Atk  
Adamant Nature  
- Reflect  
- Light Screen  
- Thunder Wave  
- Sucker Punch  

Garchomp-Mega @ Garchompite  
Ability: Sand Force  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Scale Shot  

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

Rillaboom @ Life Orb  
Ability: Grassy Surge  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Superpower  
- Grassy Glide  
- Knock Off  
- Swords Dance  

Gengar @ Ghostium Z  
Ability: Cursed Body  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Wave  
- Nasty Plot  
- Substitute