An expandable card game plays virtually the same as a trading card game or collectible card game. The major difference is that there are no booster packs. Instead, players have access to sets with known contents. An expandable card game is the same as a Living Card Game, which is a style of game trademarked by Fantasy Flight Games.
Moving forward, we are open to working with the community to decide what type of game Gem Blenders will develop into. Perhaps we will implement some collectible aspects to the acquisition of cards. However, this will all be determined at a later point.