Xerneas @ Iron Plate  
Ability: Wonder Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Judgment  
- Freeze-Dry  
- Earth Power  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 160 HP / 252 Atk / 4 Def / 92 Spe  
Adamant Nature  
- Water Shuriken  
- Pursuit  
- Beat Up  
- Trick-or-Treat  

Manectric-Mega @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Taunt  
- Steam Eruption  
- Parting Shot  

Kyogre-Primal @ Safety Goggles  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Defog  
- Recover  
- Parting Shot  

Giratina @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 156 Def / 104 Spe  
Bold Nature  
IVs: 0 Atk  
- Roost  
- Curse  
- Scald  
- Baton Pass  

Zekrom @ Draco Plate  
Ability: Teravolt  
EVs: 12 Atk / 252 SpA / 244 Spe  
Rash Nature  
- Judgment  
- Bolt Strike  
- Shell Smash  
- Searing Shot