Deficient Color Layers: If you read the article on how MTG cards are made, you'll learn that the cards are printed in several layers
The cheapest cards are unplayable but still about $4
At the beginning of your upkeep, you may look at the top five cards of your library
Trafton cries, hugs Malone, whoops, and punches the air
A big factor here is that most of Amazon's listings come from third-party sellers
StrikeZone will almost always pay top dollar on foils if you keep your eye out on their graph line on MTGPrice, but you need to be sure that theres absolutely no clouding, smudging, or edge wear at all before you send the company cards