Yveltal @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Knock Off  
- Pursuit  
- Sacred Fire  
- Poison Fang  

Diancie-Mega @ Pixie Plate  
Ability: Mold Breaker  
EVs: 40 HP / 252 SpA / 216 Spe  
Modest Nature  
IVs: 0 Atk  
- Spore  
- Shell Smash  
- Judgment  
- Steam Eruption  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Encore  
- Curse  
- Roost  

Groudon-Primal @ Choice Band  
Ability: Mold Breaker  
EVs: 232 HP / 252 Atk / 12 SpD / 12 Spe  
Adamant Nature  
- V-create  
- Thousand Arrows  
- U-turn  
- Beat Up  

Kyogre-Primal @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Whirlwind  
- Aromatherapy  
- Defog  
- Stealth Rock  

Slaking @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 8 Def  
Adamant Nature  
- Fake Out  
- Extreme Speed  
- Pursuit
- Wish