Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

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

Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fighting  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Close Combat  
- U-turn  
- Flare Blitz  
- Dragon Claw  

Kyogre @ Choice Scarf  
Ability: Drizzle  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Water Spout  
- Thunder  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 48 HP / 24 Def / 252 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Mewtwo @ Mewtwonite Y  
Ability: Pressure  
Tera Type: Psychic  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Nasty Plot  
- Psystrike  
- Fire Blast  
- Focus Blast