Groudon @ Leftovers  
Ability: Drought  
Tera Type: Fairy  
EVs: 172 HP / 252 Def / 68 SpD / 16 Spe  
Impish Nature  
- Spikes  
- Precipice Blades  
- Roar  
- Will-O-Wisp  

Koraidon @ Loaded Dice  
Ability: Orichalcum Pulse  
Tera Type: Steel  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Scale Shot  
- Swords Dance  
- Flare Blitz  
- Low Kick  

Necrozma-Dusk-Mane @ Heavy-Duty Boots  
Ability: Prism Armor  
Tera Type: Ground  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  
- Knock Off  

Walking Wake @ Choice Specs  
Ability: Protosynthesis  
Tera Type: Water  
EVs: 4 Def / 244 SpA / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Steam  
- Draco Meteor  
- Flamethrower  
- Dragon Pulse  

Arceus @ Mirror Herb  
Ability: Multitype  
Tera Type: Normal  
EVs: 128 HP / 252 Atk / 40 Def / 84 SpD / 4 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Recover  

Reshiram @ Choice Specs  
Ability: Turboblaze  
Tera Type: Steel  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blue Flare  
- Draco Meteor  
- Solar Beam  
- Psychic