Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 28 Atk / 232 SpA / 32 SpD / 216 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Stealth Rock  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 108 Def / 8 SpA / 100 SpD / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Defog  
- Thunder Wave  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 184 SpD / 8 Spe  
Impish Nature  
- Spikes  
- Precipice Blades  
- Rock Tomb  
- Toxic  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 204 Def / 80 SpA / 224 Spe  
Timid Nature  
- Foul Play  
- Oblivion Wing  
- Toxic  
- U-turn  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 20 HP / 252 Atk / 236 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 72 HP / 60 Def / 252 SpA / 124 Spe  
Modest Nature  
- Calm Mind  
- Judgment  
- Ice Beam  
- Recover