St. Pudgemas as her superhero counterpart with gifts (overlaid) to reference her abilities. Her card's info says:
PLBN-EN041:
My Pudgyville Superhero Pony Christmas Cutie
LIGHT / Pudgyville Pony-Type Xyz / Rank 9 / ATK 0 / DEF 3600
2 Level 9 monsters
You can detach 1 Xyz Material from this card; change all monsters your opponent controls to face-down Defense Position, also they cannot change their battle positions (even if this card leaves the field). If this card has "My Pudgyville Pony St. Pudgemas" as an Xyz Material, it gains this effect.
- Your opponent cannot activate cards or effects in response to this effect's activation, also inflict 500 damage for each monster changed to face-down Defense Position by this effect.
Super Rare