

Some players create cards based on their own ideas for card themes and mechanics. Card developers in companies like Wizards of the Coast use proxies to playtest their ideas for new cards before they are printed. Proxy cards allow a player to test new cards, before they decide to actually buy or trade for them. This policy has become especially popular in games or formats where some vital cards are far too expensive, such as the vintage format in Magic: The Gathering.įor playtesting. In tournaments, the organizer may permit a limited number of proxy cards, and define rules about how these cards must look. This allows to play a higher variation of card combinations and strategies, while keeping a limit on the expenses. In casual games, the players may agree on a common policy of how to incorporate proxy cards. The rules and restrictions are object of common agreement, or a given policy, and may differ from the above-mentioned “fair play requirements”. Proxy cards can be used in various situations.
