Its hard to find a market value on the black-bordered variants of the cards, though, since theyre so infrequently sold and not always through typical online stores for Magic cards
Sure, you can't actually play the one included in the 30th Anniversary Edition, but you can open a booster and get that sense of procuring one of the most legendary cards in existence
Resorting to red and green can also help
Goblin Wizard The Dark Market Price: $73.29 While a 1/1 Goblin Wizard (as the name implies) for might not be the best value by modern standards, this The Dark Goblin has a potent ability that allows you to simply toss down a permanent card from your hand for free, so long as its another Goblin
Replace these with more impactful options
Mwonvuli Beast Tracker is a good one because it lets you grab a creature with deathtouch from your deck, which is useful in a pinch