Xerneas @ Pixie Plate  
Ability: Mold Breaker  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Shell Smash  
- Judgment  
- Steam Eruption  
- V-create  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Water Shuriken  
- Pursuit  
- Sucker Punch  
- Ice Shard  

Giratina @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 72 Def / 188 Spe  
Bold Nature  
IVs: 0 Atk  
- Substitute  
- Baton Pass  
- Curse  
- Roost  

Kyogre-Primal @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Whirlwind  
- Defog  
- Roost  

Groudon-Primal @ Leftovers  
Ability: Wonder Guard  
EVs: 44 HP / 252 Atk / 212 Spe  
Adamant Nature  
- Thousand Arrows  
- Substitute  
- Stealth Rock  
- Baton Pass  

Gengar-Mega @ Black Sludge  
Ability: No Guard  
EVs: 240 HP / 16 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sheer Cold  
- Dark Void  
- Substitute  
- Baton Pass