Smuggler's Copter was swiftly banned in Standard after Aether Revolt came out and Wizards said that Vehicles were overpowered
Given how low the pull rates are for SPs, Manga Rares, Treasure Rares, and unique ultra-chase cards, opening sealed product purely to hit those cards is usually very inefficient and expensive
Most of the cards' other versions are only a couple of dollars cheaper, so even if you only have that version, it is still worth alot
Yet within just a few years, secondary market prices told a very different story
Nylea, Keen-Eyed This card used to be a decent option for Pioneer mono-green devotion decks, but that was before an infinite number of powerful options dropped for that deck
Youre not going to get a better ramp option in white, and it even draws you two Plains to kick things off