Lucario-Mega @ Lucarionite  
Ability: Adaptability  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Meteor Mash  
- Close Combat  
- Ice Punch  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 32 Def / 224 SpA / 252 Spe  
Modest Nature  
- Foul Play  
- Dark Pulse  
- Oblivion Wing  
- U-turn  

Pheromosa @ Choice Band  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- U-turn  
- Low Kick  
- Ice Beam  
- Throat Chop  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 248 HP / 208 SpA / 52 SpD  
Modest Nature  
IVs: 0 Atk  
- Defog  
- Hex  
- Dragon Pulse  
- Thunder Wave  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Toxic  

Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Sludge Bomb  
- Recover  
- Earth Power