From the preview:
No one profits more from an Empire at War than the scum and scoundrels of the Star Wars™ galaxy. While other heroes and villains fight on the front lines, scoundrels scrape by with their wits and tricks to ensure they come out on top.
Today we’re previewing the Yellow heroes and villains of Empire at War, the new set of boosters for Star Wars: Destiny. Yellow characters use efficient events and overflowing resources to overwhelm their enemies with tricks and traps in the epic duels of Star Wars: Destiny.