Medicham-Mega @ Medichamite  
Ability: Pure Power  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ice Punch  
- Low Kick  
- Fake Out  
- High Jump Kick  

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Defog  
- Toxic  
- Ice Beam  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 148 SpD / 108 Spe  
Careful Nature  
- Stealth Rock  
- Toxic  
- Sunsteel Strike  
- Morning Sun  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 68 Atk / 252 SpA / 128 SpD / 60 Spe  
Mild Nature  
- Rock Polish  
- Fire Blast  
- Precipice Blades  
- Hidden Power [Ice]  

Xerneas @ Fairium Z  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Rest  
- Sleep Talk