Marshadow @ Marshadium Z  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Poison Jab  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 204 Atk / 52 Spe  
Adamant Nature  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  
- Roar  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Foul Play  
- Roost  
- Taunt  
- Toxic  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 160 HP / 152 SpA / 196 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Ice Beam  
- Recover  
- Judgment  

Zekrom @ Choice Band  
Ability: Teravolt  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Bolt Strike  
- Dragon Claw  
- Stone Edge  
- Volt Switch  

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