Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 SpA / 104 SpD / 152 Spe  
Mild Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Toxic  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Autotomize  
- Sunsteel Strike  
- Earthquake  

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

Gengar-Mega @ Gengarite  
Ability: Cursed Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Destiny Bond  
- Sludge Wave  
- Shadow Ball  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 40 Def / 24 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Toxic  
- Defog  

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