Groudon @ Red Orb  
Ability: Drought  
EVs: 248 HP / 68 Def / 192 SpD  
Impish Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Deoxys-Attack @ Life Orb  
Ability: Pressure  
Tera Type: Ghost  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
IVs: 29 HP  
- Psycho Boost  
- Low Kick  
- Shadow Ball  
- Rock Slide  

Fezandipiti @ Leftovers  
Ability: Toxic Chain  
Tera Type: Grass  
EVs: 248 HP / 44 Def / 216 SpD  
Calm Nature  
- U-turn  
- Roost  
- Icy Wind  
- Acid Spray  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 204 Def / 80 SpA / 224 Spe  
Timid Nature  
- Dark Pulse  
- Oblivion Wing  
- Defog  
- U-turn  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 176 Atk / 20 Def / 56 SpD / 8 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Thunder Wave  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poltergeist  
- Spectral Thief  
- Shadow Sneak  
- Low Kick