lots to learn

Ah.. there is and there isn't. It's not too complicated for the masses to join, and that's where I see the potential.

Buy enough cards and you can win simply by having higher level and better cards than you opponents.

Doing the daily quests can be addictive. If you ever played any MMO's you will know about these, you feel like you need to do them or are missing out.

I try and point out the subtleties, you can beat decks better than your own, if you play better and the other guys doesn't place his cards correctly.