Palkia @ Choice Scarf  
Ability: Pressure  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Spacial Rend  
- Trick  
- Thunder Wave  

Magearna @ Leftovers  
Ability: Soul-Heart  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Fleur Cannon  
- Volt Switch  
- Pain Split  

Mewtwo @ Life Orb  
Ability: Pressure  
Tera Type: Steel  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Fire Blast  
- Ice Beam  
- Recover  

Arceus-Poison @ Toxic Plate  
Ability: Multitype  
Tera Type: Grass  
EVs: 248 HP / 68 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Fire Blast  
- Roar  
- Recover  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
Tera Type: Ground  
EVs: 128 HP / 160 Atk / 12 SpD / 208 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Defog  
- Toxic  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 56 HP / 252 Atk / 200 Spe  
Adamant Nature  
- Stone Edge  
- Low Kick  
- Pursuit  
- Stealth Rock