The key value drivers: Why edition, condition (grading), language, and foil/non-foil can have a massive impact on priceand why demand ultimately trumps everything else
It's main use is to be super fun with things like Well of Lost Dreams ("Instead of drawing this card, I'll gain life and also draw cards!") Sadly, you don't have blue in your color identity, so you can't play Drogskol Reaver, but for redundant copies of that effect, you do get Dawn of Hope once Guilds of Ravnica releases and even Lich's Mastery if you're crazy enough
Designed for Chaos Draft, this mystery booster run has an incredible 1451 cards, all of which are reprints from throughout MTG's history
They can be fine in small doses, especially if they gain a lot of life, but they dont meaningfully impact the board or advance your game plan