Green is a great color identity, so players don't have to be too picky when deciding on a background for him, and the deck's included background, Passionate Archaeologist, is probably the best choice
Since the original card could be worth a lot in value (or sentimental value) many owners will make a proxy card and use that to preserve the original
Top 10 Colorless, Non-Artifact Creatures Wandering ArchaicWandering Archaic Kozilek, Butcher of TruthKozilek, Butcher of Truth Artisan of KozilekArtisan of Kozilek Ulamog, the Infinite GyreUlamog, the Infinite Gyre Ulamog, the Ceaseless HungerUlamog, the Ceaseless Hunger It That BetraysIt That Betrays Void WinnowerVoid Winnower Kozilek, the Great DistortionKozilek, the Great Distortion Morophon, the BoundlessMorophon, the Boundless Pathrazer of UlamogPathrazer of Ulamog You know, it's not often that I agree with the criticisms stating that EDHREC homogenizes the format, but man do I understand them at times
Enchantment-focused decks are much rarer than creature-focused decks, but they do exist and they can be quite powerful if built properly