The Scooby Doo 2 Monsters Unleashed Movie Complete Chase Puzzle Card Set MU1-MU9 is a non-sport trading card set manufactured by Inkworks. The set includes 9 standard-sized cards featuring a puzzle, foil, and chase features. The cards are based on the Scooby-Doo franchise and the movie Scooby Doo 2 Monsters Unleashed. The cards were made in the United States.