And why are the videos claiming to be ball lightning actually created by people with ill intent and Adobe Premiere
Like most Magic: The Gathering cards, the value of Snake Umbra 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 (Rise of the Eldrazi)

Wilds of Eldraine Product Overview Wilds of Eldraine Draft Boosters Wilds of Eldraine Set Boosters Wilds of Eldraine Collector Boosters 4 Traditional foil commons 101 Commons from the Wilds of Eldraine main set 3 Traditional foil uncommons 80 Uncommons from the Wilds of Eldraine main set 1 Traditional foil full-art basic land 1 Non-foil Enchanting Tales uncommon 1 of 18 Uncommon Enchanting Tales cards 1 Traditional foil Enchanting Tales uncommon 1 of 18 Uncommon Enchanting Tales cards in traditional foil 1 Traditional foil rare or mythic rare 1 of 60 Rares from the Wilds of Eldraine main set in traditional foil (85.7%) 1 of 20 Mythic rares from the Wilds of Eldraine main set in traditional foil (14.3%) 1 Non-foil or traditional foil extended-art rare or mythic rare 10.5% of Collector Boosters contain a foil card in this slotthis includes new Commander cards in extended art, including the new Commander content found in Set Boosters and the 2 mythic rares in each Commander deck

We had numerous Vanguard cards designed, so my job was to go through them and see if I could find good fits between the preexisting cards and the characters
A Limited Edition Alpha Lightning Bolt costs around 500, but a Lightning Bolt from Commander Legends costs a mere 2
Best Dinosaur Payoffs and Enablers Devil Dinosaur, Earthshaker Dreadmaw, and Regisaur Alpha each give you direct bonuses for playing more dinosaurs