The following additional missions are now available for both of the July events in Master Duel:
-Activate a Spell/Trap Card in Festival 20 times (200 gems)
-Normal or Special Summon a monster in Festival 30 times (200 gems)
-Duel in Festival 20 times (200 gems)

For a total of 600 gems.

As a reminder, the Fusion x Link Festival ends on July 19th, and the Under☆5 Festival ends on July 25th (time zones applying).