The Harry Potter Trading Card Game is an immensely popular collectible card game based on the books and films of J.K. Rowling’s beloved fantasy series. The trading card game (TCG) allows players to construct decks from a variety of cards representing characters, locations, events, and magical creatures from the world of Harry Potter. With such a wide range of cards to choose from, players need to track which ones they own to build the best deck possible – and that’s where the Harry Potter Trading Card Game Checklist comes in handy.