For example, did you know that this little myr hangs out on the art of Ogre Leadfoot?
Here's a little quiz. Each of the three images below is a small section of the art of a Mirrodin or Darksteel card, magnified greatly; can you identify the card to which each belongs? Hint: They are all Mirrodin block commons.
Discuss your answers on the Arcana thread on the message boards, and tune in tomorrow for the answers! (If these prove to be too easy, the next ones will be harder.)