Mewtwo-Mega-X @ Mewtwonite X  
Ability: Steadfast  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Zen Headbutt  
- Low Kick  
- Toxic  
- Taunt  

Arceus-Rock @ Stone Plate  
Ability: Multitype  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Stealth Rock  
- Will-O-Wisp  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 8 Def / 248 SpA / 252 Spe  
Modest Nature  
- Dark Pulse  
- Oblivion Wing  
- U-turn  
- Foul Play  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Recover  
- Defog  
- Ice Beam  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Leech Seed  
- Spikes  
- Bullet Seed  
- Gyro Ball  

Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 248 HP / 104 Def / 156 SpD  
Sassy Nature  
- Poison Jab  
- Recover  
- Will-O-Wisp  
- Earth Power