The term "creepy card" is often used to describe a greeting card or note that makes the recipient feel uneasy or uncomfortable. However, there are many other words and phrases that could be used to convey a similar sentiment. Words like eerie, unsettling, unnerving, spooky, and chilling all have a similar connotation to creepy. Additionally, phrases like "strangely ominous" or "disturbingly eerie" could also be used to describe a card that has a strange or unsettling quality. At the end of the day, the key is to choose language and phrasing that accurately reflects the feeling you want to convey to your reader.