Arceus-Flying @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Parting Shot  
- Recover  
- Aromatherapy  
- Defog  

Arceus-steel (Mewtwo-Mega-X) @ Lum Berry  
Ability: Huge Power  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Gear Grind  
- Sacred Fire  
- Beat Up  
- Leaf Blade  

Arceus-steel (Mewtwo-Mega-X) @ Lum Berry  
Ability: Wonder Guard  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Close Combat  
- Play Rough  
- Thousand Arrows  
- Gastro Acid  

Arceus-steel (Giratina) @ Safety Goggles  
Ability: Magic Bounce  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Curse  
- Recover  
- Spore  
- Stealth Rock  

Arceus-steel (Rayquaza-Mega) @ Choice Specs  
Ability: Teravolt  
EVs: 4 HP / 252 SpA / 252 Spe  
Naive Nature  
- Draco Meteor  
- Volt Switch  
- Chatter  
- Trick  

Arceus-steel (Slowbro-Mega) @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
- Spore  
- Encore  
- Parting Shot  
- Recover