**What are some of the rarest and most valuable cards in the World of Warcraft Trading Card Game, and what makes them so sought after by collectors and players?
Why did Blizzard Entertainment discontinue the World of Warcraft Trading Card Game in 2013, and how did this decision affect the community of players and collectors?
Who were some of the prominent illustrators or artists that contributed to the artwork of World of Warcraft TCG, and what impact did their art have on the game's appeal?
How did the loot cards in the World of Warcraft TCG impact the game's popularity, and what kind of in-game items could players unlock with them in World of Warcraft?
What are the key differences between World of Warcraft Trading Card Game and the digital Hearthstone card game, in terms of gameplay mechanics and card interactions?
What were the major expansions or sets released for the World of Warcraft Trading Card Game, and how did each set impact the meta or introduce new mechanics?
