Mewtwo-Mega-X @ Mewtwonite X  
Ability: Steadfast  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Low Kick  
- Iron Tail  
- Ice Beam  
- Stone Edge  

Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
IVs: 0 Atk  
- Roost  
- Whirlwind  
- Spikes  
- Toxic  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Rest  
- Coil  
- Thousand Arrows  
- Glare  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Precipice Blades  
- Stealth Rock  
- Fire Punch  
- Swords Dance  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 72 HP / 252 Def / 184 Spe  
Jolly Nature  
- Foul Play  
- U-turn  
- Toxic  
- Defog  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 16 Def / 144 SpA / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Judgment  
- Ice Beam  
- Recover