I think she does enough to get into the lower bomb range, especially because even if you dont have a deck with a critical mass of ETB triggers, the addition of shutting down opposing triggers makes it more likely she has a real effect in addition to the statline Her static ability alone does a pretty good job of protecting her, as taking down a walker with a single creature attacking at a time is quite the challenge, but her other abilities are also really good and make it challenging to ever take her down
Some cards are monsters because they can one-shot anything in their path, while others are legends because they let you draw your entire deck in a single turn
Dack Fayden was the first planeswalker to show up as a new card outside of a Standard-legal set
Forging alliances can help players strategize and either neutralize the main source of their threat or eliminate them altogether
For Steel, Tiana, Celebrating Princess showcases that if you keep your hand empty, you can actually gain benefits
As a cast trigger, itll be difficult for an opponent to stop this Eldrazis ability from happening, and this commander could even discourage some players from dropping their best permanents