Adventure Time Card Wars: Sundae School

Adventure Time Card Wars: Sundae School is a single card that can be added to any of the Adventure Time Card Wars games. Sundae School is a "Rainbow Building", the text of which reads "While you have an even amount of Hit Points, your Creature on this Landscape has +2 ATK." This card was released in the July 2015 comic Adventure Time with Fionna & Cake: Card Wars #01.