Yveltal @ Life Orb  
Ability: Dark Aura  
Shiny: Yes  
Tera Type: Dark  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Heat Wave  
- Protect  

Arceus @ Silk Scarf  
Ability: Multitype  
Shiny: Yes  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Recover  

Eternatus @ Power Herb  
Ability: Pressure  
Shiny: Yes  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dynamax Cannon  
- Sludge Bomb  
- Meteor Beam  
- Fire Blast  

Groudon-Primal @ Red Orb  
Ability: Drought  
Shiny: Yes  
Tera Type: Ground  
EVs: 136 HP / 168 Atk / 52 SpD / 152 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Heat Crash  
- Stealth Rock  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Shiny: Yes  
Tera Type: Psychic  
EVs: 216 Atk / 40 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
Shiny: Yes  
Tera Type: Psychic  
EVs: 88 Def / 204 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Psystrike  
- Ice Beam  
- Thunderbolt