Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Water  
EVs: 32 HP / 40 Def / 252 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Rest  
- Sleep Talk  

Eternatus @ Power Herb  
Ability: Pressure  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Fire Blast  
- Meteor Beam  
- Recover  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 240 HP / 28 Atk / 88 Def / 152 Spe  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
- Foul Play  
- Toxic  
- Taunt  
- Recover  

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

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
Tera Type: Grass  
EVs: 252 HP / 68 Def / 188 SpD  
Impish Nature  
- Knock Off  
- Sunsteel Strike  
- Earthquake  
- Morning Sun