A group of promo cards that are different ambassador cards than those in the base game : Melissa, Kevin, Sara, Ryan, Katie, Will. 2 event cards: Environmental Lawyer - Class Action: When you use the Volunteer action, instead of discarding it, you may discard a different Action card or Continuous card fromthe table in its place. (Volunteer) Zoologist - Academic Periodicals: Each time your draw any cards, draw an extra card. (Adopt an Animal)