Yveltal @ Choice Scarf  
Ability: Huge Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Pursuit  
- Dragon Ascent  
- Beat Up  
- Toxic Spikes  

Rayquaza-Mega @ Sky Plate  
Ability: Mold Breaker  
EVs: 200 HP / 252 SpA / 56 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Oblivion Wing  
- Substitute  
- Taunt  

Groudon-Primal @ Choice Band  
Ability: Mold Breaker  
EVs: 232 HP / 252 Atk / 24 Spe  
Adamant Nature  
- U-turn  
- Precipice Blades  
- V-create  
- Trick  

Slaking @ Silk Scarf  
Ability: Shadow Tag  
EVs: 252 Atk / 252 Def / 4 SpD  
Adamant Nature  
- Fake Out  
- Extreme Speed  
- Low Kick  
- Water Shuriken  

Blissey (F) @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Baton Pass  
- Whirlwind  
- Aromatherapy  
- Recover  

Skuntank @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Magic Coat  
- U-turn  
- Defog  
- Roost