Yveltal @ Choice Scarf  
Ability: Dark Aura  
Shiny: Yes  
Tera Type: Dark  
EVs: 204 Def / 52 SpA / 252 Spe  
Timid Nature  
- Foul Play  
- Oblivion Wing  
- Dark Pulse  
- U-turn  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Poison  
EVs: 248 HP / 228 Atk / 20 Def / 12 Spe  
Adamant Nature  
- Poltergeist  
- Dragon Tail  
- Toxic  
- Rest  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Impish Nature  
- Spikes  
- Precipice Blades  
- Rock Tomb  
- Toxic  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Poltergeist  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Dark  
EVs: 224 HP / 196 SpD / 88 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Taunt  
- Toxic  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 228 Def / 32 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Toxic  
- Whirlwind