She is a card-advantage nightmare for your opponents
Sure, the tokens on the backside are decently statted, especially if you can grow them
Beyond that, it taps for colorless, or you can pay 1 life to generate one mana of any color, making it a flexible piece in almost any deck
With cards like Aetherflux Reservoir and the ridiculously priced Mox Diamond, you can not only generate infinite health from Noctis but also annihilate your opponents by sacrificing a measly 50 life
Its in a similar design space to commanders that give your creatures blitz or something like it, though you're never down the creature card
Every time Mulan quests, which also gives two lore, you can look at the top four cards of the deck and, if there is a Princess character there, you can put it in your hand