Marshadow @ Choice Scarf  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Pain Split  
- Heart Swap  
- Volt Switch  

Ho-Oh @ Life Orb  
Ability: Regenerator  
EVs: 224 HP / 136 Atk / 72 SpD / 76 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Toxic  
- Recover  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 132 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Ice Beam  
- Toxic  
- Recover  

Groudon @ Red Orb  
Ability: Drought  
EVs: 160 Atk / 152 SpD / 196 Spe  
Jolly Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Dark Pulse  
- Oblivion Wing  
- Sucker Punch  
- Taunt