Deoxys-Speed @ Focus Sash  
Ability: No Guard  
EVs: 248 HP / 8 Atk / 252 Spe  
Jolly Nature  
- Sheer Cold  
- Sing  
- Gastro Acid  
- U-turn  

Arceus @ Leftovers  
Ability: Wonder Guard  
EVs: 252 HP / 4 Def / 252 Spe  
Jolly Nature  
- Recover  
- Whirlwind  
- Spikes  
- Extreme Speed  

Spiritomb @ Flame Orb  
Ability: Wonder Guard  
Level: 2  
EVs: 76 HP / 196 Spe  
Hasty Nature  
IVs: 0 Atk  
- Pain Split  
- Substitute  
- Psycho Shift  
- Curse  

Blissey (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Def / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Whirlwind  
- Recover  
- Parting Shot  
- Trick  

Gengar-Mega @ Spooky Plate  
Ability: Magic Bounce  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Stealth Rock  
- Rapid Spin  
- Judgment  

Mewtwo-Mega-Y @ Choice Specs  
Ability: Mold Breaker  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Boomburst  
- Psycho Boost  
- Moonblast  
- Volt Switch