Everflowing Chalice is an Uncommon artifact card from the Worldwake set in Magic: The Gathering, numbered #123. It allows players to add colorless mana to their mana pool and features the ability to be charged with additional counters, enhancing its utility in gameplay. Currently valued at $9.14, this card is sought after for its versatility in various formats, making it a notable item for collectors and players alike. The artwork is by Steve Argyle.