Magearna @ Leftovers  
Ability: Ice Scales  
Tera Type: Steel  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Volt Switch  
- Fleur Cannon  
- Encore  
- Pain Split  

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  

Arceus-Dark @ Dread Plate  
Ability: Magic Bounce  
Tera Type: Dark  
EVs: 252 HP / 176 Def / 8 SpA / 72 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Substitute  
- Recover  

Deoxys-Attack @ Life Orb  
Ability: Protean  
Tera Type: Psychic  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Psycho Boost  
- Knock Off  
- Extreme Speed  
- Low Kick  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Ice Scales  
Tera Type: Psychic  
EVs: 252 HP / 120 Atk / 16 Def / 120 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Knock Off  
- Morning Sun