In your case youre not that familiar with eBay, but also everybody starts somewhere and new collectors can easily be confused by listings like this one
Featuring both new and returning species, the stunning illustrations make the cards valuable to collectors and players alike, with some already being valued at over a hundred dollars before release
It's always one of those cards you want, but don't need in every deck
If the player mills at least one creature card this way, you draw a card
That means that if they can't make you a strong offer, they'll refer you to the stores that can so that you can make an informed decision, rather than trying to lowball you in hopes that you'll cave
Even better, if you follow Nissa up by actually playing that Forest, and have seven or more lands, you can immediately flip her to her planeswalker half, allowing you to grab another land, draw a card, or make a 4/4