Koraidon @ Choice Band  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Collision Course  
- Dragon Claw  
- U-turn  
- Flare Blitz  

Walking Wake @ Choice Specs  
Ability: Protosynthesis  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Hydro Steam  
- Draco Meteor  
- Flamethrower  
- Dragon Pulse  

Chi-Yu @ Choice Scarf  
Ability: Beads of Ruin  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Flamethrower  
- Overheat  
- Psychic  

Hatterene (F) @ Leftovers  
Ability: Magic Bounce  
Tera Type: Water  
EVs: 252 HP / 200 Def / 56 Spe  
Bold Nature  
- Psyshock  
- Draining Kiss  
- Mystical Fire  
- Calm Mind  

Groudon @ Leftovers  
Ability: Drought  
Tera Type: Fairy  
EVs: 240 HP / 252 Def / 16 Spe  
Impish Nature  
- Precipice Blades  
- Protect  
- Will-O-Wisp  
- Spikes  

Flutter Mane @ Choice Specs  
Ability: Protosynthesis  
Tera Type: Fairy  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Shadow Ball  
- Moonblast  
- Mystical Fire  
- Psyshock