Master Transmuter is a Rare card from the Conflux set of Magic: The Gathering, designated as card #31. Valued at approximately $5.05, it is sought after for its unique ability to manipulate creature cards, allowing players to swap creatures in play with those in their hand. This functionality can create strategic advantages, making it a notable inclusion in various deck builds. Collectors appreciate its blend of utility and thematic relevance within the game's multicolor framework.