[ZeroGravitas]

One similar thing I've never understood is card games like Magic the Gathering and (perhaps?) Pokemon.

From what I gather this is kind of like playing poker, except you can just go out and buy more decks to stack your hand. Just doesn't seem fair or fun to me.

A similar partly-virtual good I can't wrap my head round is intentionally limited-edition goods such as beanie babies.

http://en.wikipedia.org/wiki/Beanie_Baby