Marshadow @ Mirror Herb  
Ability: Technician  
Tera Type: Stellar  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Swagger  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
Shiny: Yes  
Tera Type: Dark  
EVs: 152 HP / 88 Def / 44 SpA / 224 Spe  
Timid Nature  
- U-turn  
- Foul Play  
- Oblivion Wing  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 232 HP / 96 Atk / 100 Def / 60 SpD / 20 Spe  
Adamant Nature  
- Stealth Rock  
- Toxic  
- Precipice Blades  
- Heat Crash  

Eternatus @ Leftovers  
Ability: Pressure  
Tera Type: Fairy  
EVs: 176 HP / 116 SpD / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Sludge Bomb  
- Recover  
- Dynamax Cannon  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Steel  
EVs: 252 HP / 100 Def / 56 SpA / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Earth Power  
- Recover  
- Defog  

Ho-Oh @ Choice Band  
Ability: Regenerator  
Shiny: Yes  
Tera Type: Flying  
EVs: 16 HP / 220 Atk / 20 Def / 252 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Dual Wingbeat  
- Earthquake