Slowbro-Mega @ Slowbronite  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Psyshock  
- Slack Off  
- Calm Mind  
- Scald  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Fire Punch  
- Roar  

Rayquaza @ Steelium Z  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Iron Head  
- Extreme Speed  
- Dragon Ascent  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Spikes  
- Toxic  
- Leech Seed  
- Gyro Ball  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Spectral Thief  
- Shadow Sneak  
- Hidden Power [Ice]  
- Close Combat  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Defog  
- Toxic  
- Recover