Signing up for one is quick and easy, so it's not a huge barrier
For one thing, we can use Cloudshift, Restoration Angel, or a second Flickerwisp to have our Flickerwisp enter the battlefield during our end step and flicker something of our opponent's, which means they will be missing that something for the entire next turn
4 Fishbone Quill Ink Twice Per Turn Fishbone Quill is even better than Great Stone Dragon, since it skips the part where you need to have something in the discard for the extra ink
As a result they crush the unprepared
The oracle text box mimics an open fairytale book with weathered edges, enhancing the storytelling aspect seen on the plane
It will also retain any mana abilities it had as a result of those subtypes