Like most Magic: The Gathering cards, the value of Green Dragon depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Adventures in the Forgotten Realms)
Black Gravecrawler 7.6 Bloodsoaked Champion 7.4 Dread Wanderer 7.3 Gutterbones 7.2 All recurring 2/1s for B
I'm just expressing my personal thoughts and my skepticism
Innkeepers Talent Once Innkeeper's Talent is fully charged, it acts like a Doubling Season, and many planeswalkers can win you the game from there, like Vraska, Betrayal's Sting
The only rule: make them readable and obvious so nobody has to ask wait, what is that again? every turn.
I finished my collection of the Japanese art planeswalkers from War of the Spark in foil (with the obvious exception of the $2 to $3k foil Liliana), and Im nearly finished with this collection