Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 236 HP / 252 SpA / 20 Spe  
Modest Nature  
- Protect  
- Moonblast  
- Diamond Storm  
- Earth Power  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Confide  
- Toxic  
- Soft-Boiled  
- Heal Bell  

Skarmory @ Red Card  
Ability: Sturdy  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Whirlwind  
- Roost  
- Defog  

Tyranitar @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 244 SpD / 12 Spe  
Careful Nature  
- Pursuit  
- Stealth Rock  
- Foul Play  
- Low Kick  

Arceus (Arceus-Dragon) @ Draco Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Recover  
- Iron Defense  
- Judgment  

Mewtwo @ Leftovers  
Ability: Unnerve  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Psystrike  
- Will-O-Wisp  
- Recover