Card sounds have become a staple of online soundboards because playing cards are instantly recognisable from sound alone, with no need for explanation or context. Creators use short shuffling and dealing clips in poker highlights, magic tutorials, casino parodies and card game streams to signal a turn, a bet or a reveal. The same effect also works in memes and reaction edits, where a single dealt card can stand in for a decision, a gamble or a surprise twist. Its popularity endures because it is short, clean and easy to drop into almost any scene.