Groudon (Groudon-Primal) @ Leftovers  
Ability: Desolate Land  
Tera Type: Flying  
EVs: 248 HP / 220 SpD / 40 Spe  
Careful Nature  
- Precipice Blades  
- Stone Edge  
- Lava Plume  
- Spikes  

Arceus (Arceus-Ground) @ Earth Plate  
Ability: Multitype  
Tera Type: Fairy  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Power Gem  
- Will-O-Wisp  
- Recover  

Arceus @ Lum Berry  
Ability: Multitype  
Tera Type: Normal  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Extreme Speed  
- Earthquake  
- Shadow Claw  
- Swords Dance  

Giratina (Giratina-Origin) @ Leftovers  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 100 Def / 96 SpA / 24 SpD / 40 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Thunder Wave  
- Defog  

Arceus-Steel @ Iron Plate  
Ability: Multitype  
Tera Type: Flying  
EVs: 248 HP / 44 Def / 216 Spe  
Timid Nature  
- Judgment  
- Dragon Tail  
- Stealth Rock  
- Recover  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
Shiny: Yes  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- Waterfall  
- Extreme Speed  
- U-turn