Nissa

[Ptsgpbk]

How much do you think she will cost, want 4 for collector purposes ( and love the artwork and effects)

[Walkhard]

I'm guessing 10-15 when things settle. She is new to this set and a playable card just look at what the new Chandra did in that sense. But she doesn't have many homes and as much hype as the new garruk so don't think she'll be any higher.

[MuggyWuggy]

She's $25 preorder

Expect that price to tank $5 or stay steady as is

[Walkhard]

That's just preorder hype. Almost every card goes down from their preorder price. Plus she doesn't have many deck homes. I wouldn't pay more then 15 for her honestly. 
What site is this off of? I haven't looked at preorder prices yet.

[Agrus Kos, Enforcer of Truth]

Honestly, this set is so full of awesomeness that I don't see anything being over $15 when the dust settles. All of the mythics will see play somewhere, most of the rares are looking good (such as {Urborg, Tomb of Yawgmoth}, {Chord of Calling}, {Life's Legacy}, {Hushwing Gryff}, {Chief Engineer}, {Preeminent Captain}, {Sliver Hive}, {Spirit Bonds}....) and even some of the commons and uncommons are amazing (Slivers, {Ensoul Artifact}, {Bronze Sable}, {Act on Impulse}, {Raise the Alarm}, {Quickling}). This set could very easily be the highest selling core set ever and when there are more boxes sold, there are more copies available, raising supply and lower the price of the singles. TL;DR: I think most of the cards in this set will be decently cheap because of how good the set is.