Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 84 Def / 172 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Leech Seed  
- Spikes  
- Curse  
- Gyro Ball  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 52 Def / 204 SpD / 4 Spe  
Relaxed Nature  
- Roar  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Judgment  
- Recover  
- Defog  

Yveltal @ Rocky Helmet  
Ability: Dark Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 30 Spe  
- Foul Play  
- Roost  
- U-turn  
- Toxic  

Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Ascent  
- V-create  
- Draco Meteor  
- Uproar  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Toxic