princess snowflake (Diancie-Mega) @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Explosion  
- Diamond Storm  
- Moonblast  

elf on da shelf (Tapu Lele) @ Terrain Extender  
Ability: Psychic Surge  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Psychic  
- Hidden Power [Fire]  
- Taunt  

the grinch (Deoxys-Attack) @ Focus Sash  
Ability: Pressure  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Psychic  
- Dark Pulse  
- Ice Beam  

rudolph (Xerneas) @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 48 HP / 24 Def / 252 SpA / 184 Spe  
Timid Nature  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

santa (Kyurem-Black) @ Loaded Dice  
Ability: Teravolt  
Tera Type: Electric  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Icicle Spear  
- Scale Shot  
- Fusion Bolt  

winter's over (Groudon) @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 156 Atk / 100 SpD / 252 Spe  
Jolly Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge