Magearna @ Covert Cloak  
Ability: Soul-Heart  
Tera Type: Ground  
EVs: 252 HP / 96 SpA / 160 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Calm Mind  
- Dazzling Gleam  
- Trick Room  
- Ice Beam  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Shiny: Yes  
Tera Type: Ground  
EVs: 136 HP / 176 Atk / 32 Def / 164 SpD  
Adamant Nature  
- Precipice Blades  
- Fire Punch  
- Shadow Claw  
- Protect  

Calyrex-Ice @ Clear Amulet  
Ability: As One (Glastrier)  
Tera Type: Grass  
EVs: 252 HP / 252 Atk  
Brave Nature  
IVs: 0 Spe  
- Glacial Lance  
- High Horsepower  
- Trick Room  
- Protect  

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
Tera Type: Fire  
EVs: 244 HP / 116 Atk / 12 Def / 108 SpD / 28 Spe  
Adamant Nature  
- Fake Out  
- Wood Hammer  
- Grassy Glide  
- U-turn  

Rayquaza-Mega @ Focus Sash  
Ability: Delta Stream  
Shiny: Yes  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Dragon Ascent  
- Protect  

Zamazenta-Crowned @ Rusted Shield  
Ability: Dauntless Shield  
Tera Type: Grass  
EVs: 220 HP / 84 Def / 64 SpD / 140 Spe  
Impish Nature  
- Iron Defense  
- Body Press  
- Behemoth Bash  
- Protect