Shuckle @ Mental Herb  
Ability: Sturdy  
EVs: 248 HP / 164 Def / 96 SpD  
Calm Nature  
IVs: 0 Atk  
- Sticky Web  
- Stealth Rock  
- Infestation  
- Encore  

Arceus-Ghost @ Ghostium Z  
Ability: Multitype  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Shadow Force  
- Brick Break  
- Extreme Speed  
- Swords Dance  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 8 Def / 248 SpA / 252 Spe  
Rash Nature  
- Dark Pulse  
- Oblivion Wing  
- Sucker Punch  
- Taunt  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 32 HP / 252 Atk / 4 SpD / 220 Spe  
Adamant Nature  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  
- Rock Polish  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- Earthquake  
- Extreme Speed  
- Swords Dance  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 44 Atk / 252 SpA / 24 SpD / 188 Spe  
Mild Nature  
- Eruption  
- Fire Blast  
- Precipice Blades  
- Hidden Power [Ice]