Yveltal @ Choice Specs  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Dark Pulse  
- Heat Wave  
- Oblivion Wing  
- U-turn  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Sassy Nature  
- Overheat  
- Precipice Blades  
- Toxic  
- Stealth Rock  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 248 HP / 132 Def / 108 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Recover  
- Taunt  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Toxic  
- Whirlwind  

Alomomola @ Heavy-Duty Boots  
Ability: Healer  
Tera Type: Poison  
EVs: 252 Def / 252 SpD  
Bold Nature  
- Flip Turn  
- Wish  
- Protect  
- Scald  

Marshadow @ Marshadium Z  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Bulk Up