MagiCodex operates as a GPT-enhanced tool designed to serve as an expert for the game, Magic: The Gathering. It functions mainly to clarify rules and serve as a guide for players. Utilizing the capabilities of GPT, it provides a platform where users can pose specific questions related to the game, such as asking about the amount of life a player starts with in a game of Commander or inquiring if one can cast sorcery speed spells on their opponent's turn. It can also simulate experiences such as cracking a pack of Mirage, or guide on deck-building queries like compatibility of certain cards, for instance, the Counterspell in a Seizen Commander deck. As players interact with MagiCodex, it delivers immediate and detailed responses, making it a dependable and accessible advisor for Magic: The Gathering. The GPT-based tool requires a subscription to ChatGPT Plus, indicating that it might harbor more advanced and exclusive features for subscribers. It should be noted that as a GPT, the exact abilities of MagiCodex may be contingent upon updates or enhancements in the underlying ChatGPT model. The versatility of this tool makes it a useful companion for both beginner and experienced Magic: The Gathering players, simplifying complex game rules and nurturing strategic gameplay.