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
Giving it double strike with Savage Beating or unblockable with Whispersilk Cloak turns that damage into even more card advantage
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
Early on, her and Simba Adventurous Successor can turn a cheap character already on the board into a decent fighter
His controller can turn that food token into an elk to protect Oko, or shrink an opponent's threat into an elk
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