Deoxys-Speed @ Focus Sash  
Ability: Mold Breaker  
EVs: 248 HP / 8 SpD / 252 Spe  
Jolly Nature  
- Fake Out  
- Stealth Rock  
- Spikes  
- Dark Void  

Gengar-Mega @ Spooky Plate  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Judgment  
- Secret Sword  
- Dark Void  

Aerodactyl-Mega @ Choice Band  
Ability: Shadow Tag  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Diamond Storm  
- Dragon Ascent  
- Thousand Arrows  
- U-turn  

Gyarados @ Gyaradosite  
Ability: Wonder Guard  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shell Smash  
- Substitute  
- Waterfall  
- Knock Off  

Diancie-Mega @ Safety Goggles  
Ability: Pixilate  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Fake Out  
- Extreme Speed  
- Boomburst  
- Gastro Acid  

Genesect @ Flame Plate  
Ability: Wonder Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Freeze-Dry  
- Flash Cannon  
- Judgment