What started as an activity to lift Sig’s spirits this holiday season has evolved into a valuable lesson in MTG finance. This week he shares four valuable takeaways from his MTG advent calendar as he passes the halfway point.

Prophecy… the set is the butt of jokes about worthless sets. It’s like all the good cards were just used up in the previous sets and this is the chaff we have left. However, there’s money to be made in the unlikeliest of places, including Prophecy. This article will be a little longer than you think, since some of the Prophecy foils can catch big dollars. Let’s start looking!