Ditto @ Choice Scarf  
Ability: Imposter  
Hidden Power: Ground  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 Atk / 0 Spe  
- Transform  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Judgment  
- Recover  
- Perish Song  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 124 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Calm Mind  
- Refresh  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 224 Def / 36 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Defog  
- Recover  
- Ice Beam  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 244 SpD / 16 Spe  
Careful Nature  
- Stealth Rock  
- Toxic  
- Precipice Blades  
- Roar  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Unnerve  
EVs: 40 Def / 252 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Psystrike  
- Recover  
- Focus Blast