I´m sorry if that question has been asked before, but I couldn´t find any answer to this...
I´m only a few months into playing and don´t have that many cards yet (Core Set + Mirkwood I + II). I´m wondering whether "The Black Riders" is a fresh start (playable with the Core Set only) or should I have all previous cards to have a chance against the scenarios.
There are many great ideas lurking in that expansion, and I want to buy and play this one as soon as possible, so...?