Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Rock Tomb  

Yveltal @ Life Orb  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Oblivion Wing  
- Dark Pulse  
- Taunt  
- Sucker Punch  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 24 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Spikes  

Marshadow @ Life Orb  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shadow Sneak  
- Low Kick  
- Spectral Thief  
- Poltergeist  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge