TMDb List ID# 8223840 137 movies currently. View the list here: https://www.themoviedb.org/list/8223840
In Radarr, Goto settings, Lists, + to add a new list, use TMDb List, in the ListId box enter 8223840 Should look similar to below.
Based off of EW's 141 Christmas Movies from here: https://ew.com/tv/christmas-movies-2022-how-to-watch/ a few of which are not in TMDb yet but will add them when they become available. Also, there were a couple from 2021. I left them in except for one I could verify had already been released.