The Duel Pass in Master Duel has reset, and for the next 75 days you can earn points by Dueling to obtain gems, crafting points and finally a Warrior Dai Grepher icon at Level 50:

Additionally, if you purchase the Duel Pass (Gold) for 800 gems, you can obtain your 800 gems back along with even more crafting points, a Mekk-Knight Crusadia Avramax monster art wallpaper at Level 50, and a Scapegoat Mate at Level 100:

Furthermore, missions for the Limit One Festival have been added, including:
Special Summon a monster in Exhibition (50 times)
Normal Summon a monster in Exhibition (50 times)
Destroy a card in Exhibition (30 times)
Duel in Exhibition (10 times)

Each of these awards a total of 250 gems.