5 Spirit - 607 Spirits are primarily found on blue and white cards but a not insignificant number of Spirit creatures can be found in red and green as well
Ive felt the need to confess this for some time
They look weird, with a lot of cards that do unique stuff in ways that are less obviously powerful the way the last ten sets were powerful, and that is Strixhaven to a T
So why Elspeth, Knight Errant
The hard part is getting it into play, but it's well worth actually spending seven mana on
Alternatively, you could play Sheriff of Nottingham, Corrupt Official with Simba, Fighting Prince - whose ability, Step Down or Fight, gives players the option to draw two cards and discard two cards whenever they banish another character in a challenge, or The Queen, Disguised Peddler, which allows you to tap it to discard a character to gain lore equal to the amount of lore that character can gain