Even if purchasing only a single Faction Paradox or Kaldor City CD, you will still receive your six bonus Blake's 7/Doctor Who art cards.
Meanwhile, to access Magic Bullet's range of free-to-download Blake's 7 audios, please click the links below:
Prelude
I,Travis
Gothic
Travis:The Final Line
YouFly, You Die
Scars
Premature Burial