New with Kaldheim is something we're trying with Set Boosters. Like Theme Boosters, there is a section of the Set Booster experience that follows a theme. This is a set of 6 common and uncommon cards centered around one or more of the set's themes (commons connect with commons and uncommons with uncommons). Like the unique Theme Booster cards, we're including some of these unique cards for Set Boosters that help bolster those themes and provide connectivity among the uncommons. These unique cards are all uncommon. The unique rares listed below will be found in the "headturner" slot for Set Boosters. All of the following cards will be legal in any format in which Kaldheim is legal. The following cards, numbered 374–393 can be found in Set and Theme Boosters: