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

Dugtrio @ Focus Sash  
Ability: Arena Trap  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Stealth Rock  
- Memento  
- Toxic  
- Final Gambit  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Ascent  
- Extreme Speed  
- V-create  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 52 HP / 228 SpA / 228 Spe  
Timid Nature  
- Calm Mind  
- Photon Geyser  
- Heat Wave  
- Dragon Pulse  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 SpA / 100 SpD / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Fire Blast  
- Dragon Pulse  
- Earth Power  
- Rock Polish  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 100 HP / 248 SpA / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Substitute  
- Focus Blast