Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 188 HP / 252 Atk / 68 Spe  
Adamant Nature  
- Stone Edge  
- Pursuit  
- Crunch  
- Stealth Rock  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Impish Nature  
- Spikes  
- Precipice Blades  
- Rock Tomb  
- Toxic  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 152 Def / 8 SpA / 100 SpD  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Defog  
- Thunder Wave  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Recover  

Eternatus @ Firium Z  
Ability: Pressure  
Tera Type: Dragon  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Fire Blast  
- Recover  

Pheromosa @ Choice Band  
Ability: Beast Boost  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Triple Axel  
- U-turn  
- Rapid Spin