Anyone who has seen Dimension 20's Escape From The Bloodkeep, knows that birds in pants and a hat are the height of style and awesomeness
Investing in any particular card for the long-term more or less requires you to be some sort of psychic that knows which particular card is going to be the weird exception to the rule that, Every money card eventually gets reprinted, nerfed, or power-crept back down to Earth. This is not to say that markets are always perfectly rational and short-term gains cannot be found
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Death and Taxes has certainly gotten better, as has any other deck that can take advantage of a 2/2 for 1WW
TCG cards, Game Mats and other popular prizes, such as additional copies of the YCS Prize Card Number 93: Utopia Kaiser
As these cards become more scarce over time (and accounting for inflation), this card will likely rise into the $20s eventually, but there's no guarantee when that day may come