We've just added a key new capability to our Mastodon integration on iOS. You can now follow any Mastodon user, hashtag, or feed directly from your Flipboard.
This gives you easy access to feeds you really care about right from your following tab. In addition, posts from those feeds will be prioritized in your For You feed so you are less likely to miss something.
Note that we also added feeds for your @mentions as well as your Bookmarks.
Here's a screenshot: