Let's say that when Greed is bought out, not only are all of the copies on TCGplayer purchased, but so are all of the copies on ChannelFireball and Card Kingdom as well (which isn't all that uncommon, especially for old, low-supply cards that don't have much supply on the market to begin with)
YES 071 Nahtanoj, gardien du 6 cercle Nahtanoj, Keeper of the Sixth Circle Broom, VDB Privately produced card 2000-

Weve got you covered there, too: Play Boosters (14 cards) 67 Commons 3 Uncommons 1 Wildcard of any rarity 1 Rare or mythic rare 1 Traditional foil card of any rarity 1 Basic land 01 MAR card 1 Non-foil double-sided token Collector Boosters (15 cards) 5 Traditional foil commons 4 Traditional foil uncommons 1 Traditional foil basic land 1 Traditional foil rare or mythic rare 2 Non-foil Booster Fun rare or mythic rare cards 1 MAR card 1 Traditional foil Booster Fun rare or mythic rare 1 Art card or traditional foil double-sided token Bundle Box 9 Magic: The Gathering | Marvel's Spider-Man Play Boosters 30 Basic lands 1 Alternate-art promo card 2 Reference cards 1 Spindown die 1 Magic: The Gathering | Marvel's Spider-Man card-storage box Spideys Spectacular Showdown Scene Box 3 Magic: The Gathering | Marvels Spider-Man Play Boosters 6 Traditional foil borderless scene cards 6 Art cards 1 Display easel MTG Spider-Man set spoilers reveal a variety of incredible card-art variations Along with the standard MTG Spider-Man cards, borderless cards, and traditional foils, there will also be several incredible chase/variant cards players will be able to hunt down

Investment potential: Sealed English edition boxes historically appreciate as sets go out of print