とあるTCGでは、禁止カードになることを「温泉行き」と言うそうで
#OCGファンアート

In a certain trading card game, they called cards that were banned as "going to the hot spring" (i.e. a vacation).
#OCGファンアート
The word "going to a hot spring" is so popular within the Duel Masters fanbase that Takara Tomy would occasionally releases formerly banned cards in an alternate art depicting them in a hot spring.