What is a swap card?

A swap card is a type of collectible card that allows players to exchange or "swap" cards with others to complete their collections or achieve specific game objectives. These cards often feature unique artwork, characters, or abilities and are popular in trading card games and collectible card games. The concept encourages social interaction among players and can enhance the overall gaming experience. Swap cards can also refer to cards used in events, such as conferences, to facilitate networking by allowing attendees to share contact information.