Groudon @ Leftovers  
Ability: Drought  
EVs: 184 HP / 96 Atk / 228 Def  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Reshiram @ Choice Specs  
Ability: Turboblaze  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blue Flare  
- Draco Meteor  
- Earth Power  
- Dragon Pulse  

Diancie @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Moonblast  
- Diamond Storm  
- Earth Power  
- Hidden Power [Fire]  

Latios @ Soul Dew  
Ability: Levitate  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Defog  
- Draco Meteor  
- Psyshock  
- Roost  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 80 Def / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Recover  
- Refresh  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 252 Def / 252 SpD / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Heal Bell  
- Soft-Boiled  
- Seismic Toss