Regigigas @ Lagging Tail  
Ability: Wonder Guard  
EVs: 248 HP / 84 SpD / 176 Spe  
Jolly Nature  
- Trick  
- Defog  
- Extreme Speed  
- Parting Shot  

Beedrill-Mega @ Black Sludge  
Ability: Wonder Guard  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sticky Web  
- Taunt  
- Trick  
- U-turn  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 8 Def  
Adamant Nature  
- Pursuit  
- Sucker Punch  
- Water Shuriken  
- Beat Up  

Arceus @ Spooky Plate  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Boomburst  
- Judgment  
- Tail Glow  
- Recover  

Aegislash @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 80 SpD / 180 Spe  
Calm Nature  
IVs: 0 Atk  
- Substitute  
- Baton Pass  
- Curse  
- Roost  

Chansey (M) @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 164 Def / 96 SpD  
Sassy Nature  
IVs: 0 Atk / 30 SpA / 0 Spe  
- Whirlwind  
- Chatter  
- Trick  
- Wish