Counterspell is a classic instant card from the Magic: The Gathering Eternal Masters set, known for its ability to negate an opponent's spell. It holds an Unknown rarity and has a current market value of $3.16, reflecting its enduring popularity among players and collectors alike. As a staple in many blue decks, its strategic significance contributes to its consistent demand in the market. Graded versions may vary in price, influencing collector interest.