If you only have one card in your library as Gollum, Scheming Guide's ability resolves, you'll look at that card, put it back on top of your library, and then continue with the ability as normal
It is worth trying with Greasefang, particularly in something like my Orzhov Greasefang list that is already built around 4x Bankbuster
Monetary value aside, this set features some wonderful artwork, particularly Suicune's, which is arguably one of the most stunning Suicune variations of all time
If you want to learn more about this strange new world of Magic mechanics, here's an early look at some of the new and returning mechanics you'll see in Magic: The Gathering | Star Trek
I doubt that Porphyry Nodes is even a blip on WotCs reprint radar, so its a fairly safe reprint with a huge ceiling
What cards and characters have you worked on so far for Disney Lorcana