Lumbering Worldwagon is a rare Artifact — Vehicle card from Aetherdrift Promos (PDFT), collector number 168p. Current market price: $0.82 (foil $1.61), TCGplayer market prices via Scryfall.
This Vehicle's power is equal to the number of lands you control. Whenever this Vehicle enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Crew 4