The 2025 Fleer Scooby-Doo MIRROR's REFLECTION MR-21 TAR MONSTER trading card is a sought-after collectible featuring the character Tar Monster from the popular Scooby-Doo franchise. Manufactured by Fleer, this non-sport trading card is part of the Mirror's Reflection set, showcasing unique designs and artwork inspired by the iconic cartoon series. This card, designated with the number MR-21, captures the essence of the Tar Monster character and is a must-have for any Scooby-Doo enthusiast looking to add a special piece to their collection.