Pokemon Masters EX is celebrating Pokémon’s 30th anniversary with a wave of in game events and bonuses. Highlights include the Presents x2! Red EX Master Fair, the Special Event Rumors of a Strange Red, and the Pokémon 30-Year Celebration Special Photo Missions. Players can also claim the Red Welcome Gems Special!, the Celebration Event Pokémon Celebration, and the Pokémon Day Gems Present, giving plenty of opportunities to boost teams and collect rewards. The lineup combines themed missions and generous gifts, making it a festive period for Trainers logging in regularly.
Source: Official Pokémon Masters EX site