Dugtrio @ Groundium Z  
Ability: Arena Trap  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Memento  
- Stealth Rock  
- Toxic  

Arceus-Rock @ Stone Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Thunder Wave  
- Defog  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Oblivion Wing  
- Dark Pulse  
- U-turn  
- Foul Play  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 232 HP / 4 Def / 252 SpD / 20 Spe  
Careful Nature  
- Moonlight  
- Toxic  
- Sunsteel Strike  
- Earthquake  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 172 HP / 252 SpA / 84 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Wonder Room  
- Moonblast  
- Thunder  

lord pex (Toxapex) @ Eject Button  
Ability: Regenerator  
Shiny: Yes  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Recover  
- Haze  
- Toxic Spikes