Marshadow @ Ghostium Z  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Hidden Power [Ice]  

Genesect @ Choice Scarf  
Ability: Sniper  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Techno Blast  
- Bug Buzz  
- Ice Beam  
- U-turn  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Haze  
- Recover  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stored Power  
- Aura Sphere  
- Calm Mind  
- Recover  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 244 Def / 12 SpD  
Bold Nature  
- Seismic Toss  
- Soft-Boiled  
- Teleport  
- Stealth Rock  

Garchomp @ Leftovers  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Scale Shot  
- Earthquake  
- Fire Fang  
- Swords Dance