Landorus (M) @ Life Orb  
Ability: Sheer Force  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Earth Power  
- Rock Slide  
- Grass Knot  
- Superpower  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Spikes  
- Power Whip  
- Protect  
- Leech Seed  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 200 HP / 8 Def / 48 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Roost  
- U-turn  
- Defog  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 16 Atk / 220 Def / 20 Spe  
Adamant Nature  
- Stealth Rock  
- Precipice Blades  
- Thunder Wave  
- Stone Edge  

Xerneas @ Air Balloon  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Aromatherapy  
- Moonblast  
- Rest  
- Sleep Talk  

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb