Collectible card games including franchise name (Magic: The Gathering, Pokmon, or Yu-Gi-Oh!), edition/name (Unlimited, Alpha, 1st Edition), card name (Black Lotus, Charizard), grading details (grading company and grade), and special features
Green-white is the go-wide token color pair, which means the Saprolings you create will fit into most green-white shells better than those created by Artifact Mutation in green-red decks
This time I got more answers in the "yes/maybe/we could test it" category
Lutri, the Spellchaser was controversially (and correctly, in my opinion) banned from Commander on release as itd otherwise be an auto-include in any deck playing blue and red (almost any Commander deck fulfills the companion restriction, as this was clearly not designed for Commander)
Past a certain level, you stop shopping the lineup