Greninja @ Focus Sash  
Ability: Protean  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Toxic Spikes  
- Taunt  
- Ice Beam  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hex  
- Will-O-Wisp  
- Sludge Wave  
- Taunt  

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

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 SpA / 100 SpD / 156 Spe  
Mild Nature  
- Rock Polish  
- Precipice Blades  
- Fire Blast  
- Hidden Power [Ice]  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 12 HP / 252 Atk / 12 Def / 232 Spe  
Adamant Nature  
- Thousand Arrows  
- Protect  
- Substitute  
- Dragon Dance  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 172 Def / 252 SpA / 84 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast