Thats a heck of a long lead time, though it makes sense for a set as widely-hyped as this one
In later games, their uses would expand to covering different kinds of terrain - thereby allowing players to acquire secret items/locations - as well as chocobo racing
Then when your foes discard lands, you make free 1/1 Bats with flying and Black, so that's a win con Waste Not for any lands discarded like with cycling or channel as well as to this attack trigger
Cards also sit in a sweet spot which most best-selling items on eBay dont, and three things make them an unusually good fit for the platform: They are small, light, and cheap to post, so postage barely dents your margin even on a low-priced card
I think this has a chance to go up, because the mono-green decks will play a LOT of this card, and that might be enough to bump it up a few dollars
Karnstruct Commanders like Urza, Chief Artificer can use Mechanised Production to build up their forces with ease