Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 24 Atk / 236 SpA / 32 SpD / 216 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Stealth Rock  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 56 Atk / 192 Def / 12 Spe  
Impish Nature  
- Poltergeist  
- Dragon Tail  
- Defog  
- Thunder Wave  

Yveltal @ Life Orb  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Sucker Punch  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Ground  
EVs: 248 HP / 192 Atk / 56 SpD / 12 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 248 HP / 68 Def / 192 SpD  
Impish Nature  
- Spikes  
- Precipice Blades  
- Stone Edge  
- Toxic