what about the april fools one and easter one and much more?
They will be available by the end of the month. As for the raid cards (like Valentine's raid), I'm currently working on some sort of "singleplayer raids" :)
So don't worry, everything you've missed will become available in the future! And I know the "Llama Mark" Shop might already feel like a huge commitment, so I'm also thinking about making them event mission rewards. If everything goes as planned, the next event will start later this week.