Mars (Marshadow) @ Marshadium Z  
Ability: Technician  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Low Kick  
- Bulk Up  

Crown (Zacian-Crowned) @ Rusted Sword  
Ability: Intrepid Sword  
Shiny: Yes  
Tera Type: Fairy  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Behemoth Blade  
- Wild Charge  
- Close Combat  

Volcano (Groudon-Primal) @ Red Orb  
Ability: Desolate Land  
Shiny: Yes  
Tera Type: Ground  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spikes  
- Precipice Blades  
- Heat Crash  
- Swords Dance  

Failed Experiment (Mewtwo-Mega-Y) @ Mewtwonite Y  
Ability: Insomnia  
Shiny: Yes  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Ice Beam  
- Psystrike  
- Earth Power  

Guardian (Zygarde) @ Leftovers  
Ability: Power Construct  
Shiny: Yes  
Tera Type: Normal  
EVs: 80 HP / 220 Atk / 208 Def  
Adamant Nature  
- Coil  
- Scale Shot  
- Thousand Waves  
- Rest  

Mister Y (Yveltal) @ Heavy-Duty Boots  
Ability: Dark Aura  
Shiny: Yes  
Tera Type: Dark  
EVs: 248 HP / 76 Def / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Foul Play  
- Taunt  
- Roost