Big Daddy (Zygarde) @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 12 HP / 216 Atk / 48 SpD / 232 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Glare  

>:( (Yveltal) @ Choice Scarf  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 32 Def / 224 SpA / 252 Spe  
Modest Nature  
- Foul Play  
- Dark Pulse  
- Oblivion Wing  
- U-turn  

My Beloved (Groudon) @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 136 HP / 168 Atk / 52 SpD / 152 Spe  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Santa (Ho-Oh) @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Ground  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Recover  
- Toxic  
- Defog  

Splishy Splashy (Arceus-Water) @ Splash Plate  
Ability: Multitype  
Tera Type: Steel  
EVs: 252 HP / 96 Def / 64 SpA / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Ice Beam  
- Recover  

Mew-Y (Mewtwo-Mega-X) @ Mewtwonite X  
Ability: Steadfast  
Tera Type: Psychic  
EVs: 120 HP / 84 Atk / 52 SpD / 252 Spe  
Jolly Nature  
- Low Kick  
- Taunt  
- Rock Slide  
- Bulk Up