In these, you can find five rare or mythic rares, as well as four uncommons and five commons, as well as one land
This card will definitely be powerful but will also create a really interesting side-game where the players not only have to think about how to attack and block with their normal alive creatures but their dead ones too
A 2 mana 2/2 creature that can be played in response to a fetchland like Wooded Foothills, a watered down version like Fabled Passage or Terramorphic Expanse, a ramp spell like Three Visits, or another means of cheating cards into play like Kodama of the East Tree in order to ramp out one Plains card from your deck is already good value
If you do, copy that spell and you may choose new targets for the copy
Finally, Nissa loses the heads-up battle in the mid-game to the other popularly played planeswalkers, Gideon, Ally of Zendikar and Chandra, Torch of Defiance