Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 240 HP / 144 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Taunt  
- Recover  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Steel  
EVs: 252 HP / 52 Def / 204 SpD  
Careful Nature  
- Precipice Blades  
- Dragon Tail  
- Spikes  
- Toxic  

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

Eternatus @ Firium Z  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Fire Blast  
- Recover  

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

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Toxic  
- Moonlight