Groudon @ Leftovers  
Ability: Fur Coat  
Tera Type: Ground  
EVs: 212 HP / 140 Atk / 156 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  

Giratina @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Ghost  
EVs: 252 HP / 176 Def / 68 SpD / 12 Spe  
Impish Nature  
- Dragon Tail  
- Defog  
- Will-O-Wisp  
- Protect  

Deoxys-Attack @ Life Orb  
Ability: Protean  
Tera Type: Psychic  
EVs: 120 Atk / 252 SpA / 136 Spe  
Hasty Nature  
- Psycho Boost  
- Low Kick  
- Shadow Ball  
- Thunderbolt  

Magearna @ Leftovers  
Ability: Ice Scales  
Tera Type: Steel  
EVs: 252 HP / 40 Def / 216 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Volt Switch  
- Fleur Cannon  
- Pain Split  
- Encore  

Eternatus @ Black Sludge  
Ability: Unaware  
Tera Type: Poison  
EVs: 80 HP / 252 SpA / 176 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Toxic Spikes  
- Recover  

Arceus @ Leftovers  
Ability: Good as Gold  
Tera Type: Normal  
EVs: 184 HP / 252 Atk / 72 Spe  
Adamant Nature  
- Bulk Up  
- Extreme Speed  
- Dragon Tail  
- Recover