Master of Etherium is a creature card from the Magic: The Gathering set Elspeth vs Tezzeret, classified as an Unknown rarity. Valued at approximately $0.69, it attracts collectors for its unique design and role within artifact-centric decks. As a 5/5 creature with the ability to enhance other constructs, it holds strategic value, particularly in formats that favor synergy with artifacts. The card's current market value reflects its moderate demand among players and collectors alike.