Corpsejack Menace is a creature card from the Magic: The Gathering Return to Ravnica set, classified as an Unknown rarity. Valued at approximately $1.65, it features the ability to double the number of +1/+1 counters placed on creatures under the player's control, enhancing synergy with various counter-based strategies. As a foil version, it appeals to collectors looking for visually distinct cards, though its market value remains modest.