If you play blackjack on the moon in the winter, your cards will scatter everywhere. The cards scatter because the gravity is so weak on the moon, so the blackjack game is prone to disaster.
You are playing blackjack with Santa-san (さん). Santa-san is doing his best to use his Christmas magic to prevent the scatter of cards, but it’s not working out so well. Good effort, Santa-san.
Currently there are no similar looking kanji which exist in the WaniKani learning system