Move over Charizard.
With the Greedent Team Event now over in Pokémon Café ReMix, in-game notifications are already hard at work alerting players on which Pokémon is expected to turn up next and its none other than Greninja.
So, with no need to head to Kalos to try and get ahold of this fully evolved starter, for those who are hoping to recruit Greninja to their staff, you will be required to earn as many points as possible whilst the event is in effect, to ensure you meet the requirements and you will be able go get started on December 1, 2021 from 06:00 (local time).

About Pokémon Café ReMix:
Link together Pokémon icons to clear puzzles as you work to build up your very own café in Pokémon Café ReMix, a free-to-start game for Nintendo Switch™ systems! Recruit Pokémon to help out at the café (in their stylish uniforms) by building friendships while expanding your café and menu offerings by completing puzzles. Each Pokémon staff member has a Café Skill that will come in handy solving puzzles!
Complete touch-based challenges in this free-to-start puzzle game – Strategize the best way to clear Pokémon icons within the turn limit in adorable-yet-challenging puzzles. Use your puzzle skills to complete the objective and employ the help of every Pokémon’s Café Skills for some extra oomph! In addition to Café Skills, each Pokémon staff member has a specialty and specialty gimmicks they can destroy with ease—Eevee can make quick work of sugar cubes, for example. Match a Pokémon’s specialty with the drink or dish you’re making to get bonuses in puzzles.
Remixed fun for everyone – Pokémon Café ReMix is a revamped version of the original Pokémon Café Mix game. Puzzles have been refreshed and there are even more Pokémon to discover and recruit. Your Pokémon may outfit themselves in café chic with newly added dress-up options and can improve their abilities through training puzzles! If you’ve played the original, your golden acorns will all transfer over to Pokémon Café ReMix.
Source: Serebii