Even commodities with clear levels of use-value demand like gasoline, eggs, or palladium fluctuate in price for similar reasons, a combination of demand, investment speculation, and, if not always nostalgia, at least some form of emotional connection to a product that seems stronger than its value in use or consumption
Id rather just pay that and force my opponent to remove the body from the board than pay more for a creature that doesnt stick around and will probably just be blocked and killed
If theres a solid two drop, like a 1/3 that Scries when you flash in your Gull, then getting extra value off of Vexing Gull is easy
(To mill a card, put the top card of your library into your graveyard.) Sigil of Myrkul's triggered ability triggers and goes on the stack without a target
Thisll always put your best land into play, but it also tacks on a Tribute to the Wild for good measure
This is largely due to the many printing variants that need to get designed