Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 108 Atk / 132 Def / 16 Spe  
Impish Nature  
- Swords Dance  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  

Corviknight @ Rocky Helmet  
Ability: Pressure  
Shiny: Yes  
Gigantamax: Yes  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Defog  
- U-turn  
- Roost  
- Body Press  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Timid Nature  
- Foul Play  
- U-turn  
- Roost  
- Oblivion Wing  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 136 Def / 120 Spe  
Impish Nature  
- Dragon Dance  
- Earthquake  
- Sunsteel Strike  
- Moonlight  

Palkia @ Assault Vest  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Hydro Pump  
- Thunder  
- Spacial Rend  

Ho-Oh @ Choice Band  
Ability: Regenerator  
Shiny: Yes  
EVs: 252 HP / 188 Atk / 52 SpD / 16 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Defog