Dragon OPS (Open Play System): 7 Wonders Duel RSVP on our Meetup now! The Wandering Dragon’s Dragon OPS: 7 Wonders Duel program is our own take on Organized Play! This eight week league allows players to just come out, play a great game… and receive exclusive, rare Promo Items! You don’t have to win. Just have fun! Entry Fee: $7.00