The phrase "May the odds be ever in your favour" is most commonly associated with the Hunger Games movie franchise.
The Hunger Games is a science fiction action movie franchise based on the novel series of the same name, written by Suzanne Collins. The movie series follows the story of Katniss Everdeen, a young girl from the fictional nation of Panem, who is chosen to compete in the Hunger Games, a televised fight-to-the-death battle against other children. The phrase "May the odds be ever in your favour" is a popular catchphrase from the series, often used by Katniss' mentor, Haymitch Abernathy.