By combining Eternal Witness graveyard recursion with Fauna Shaman and Survival of the Fittest you can create a deck that's incredibly consistent and can adapt to a wide range of situations
In fact, the front-facing battle card effect may as well be its secondary ability, and your first objective in using this card is to transform it as quickly as possible, most likely using the very tokens it generates
That isnt super likely, especially if youre playing Commander, but theres still a possibility this card wont be fully effective which makes it slightly worse than some of the other Mirran swords
While on the surface it looks like she has infinite possibilites -- you can tutor for ANYTHING -- in practice, all Prime Speaker decks are going to end up the same, tutoring for the best creature target and following the same lines of play so you can combo off the same way each game
Oh, and there are really cute planeswalkers that drive the market value on a case of Bloomburrow play booster boxes to about $50 more than the average price