Not only are there tons of fast mana floating around, but there are usually tons of cheap creatures and tokens too
Overall, this land card is nothing inspiring, but that simplicity makes it astonishing compared to others that seem to have too much
Now, the most expensive Fallout MTG cards are a shadow of their former selves
Also, the art comparison between the two is pretty hilarious, since you have The Third Doctor wielding a sword and Dan Lewis using a wok to take out a Sontaran
PSA and Beckett slabs, especially high grades, usually command clear premium pricing
Again there are other reasons people will buy at big box (they have gift cards to spend / genuine impulse purchase for an enfranchised player), but the above five reasons are the big ones