I have only played it once and enjoyed that, but I definately won't be adding it to my collection.
Its basically just a game of drafting, with out the actual playing of the game after it.
Think of another game where you draft cards to make a deck or a position or team, then you play them and try out different strategies with them. In this game, the card gets played, draft again. Repeat until end.
Its fun, but will get boring very quickly, and I have other games that will fill the not-much thinking role in games days (Incan Gold!)
That's why you get all the expansions and then print out
Fan Expasnions!