This resource is required for trading high-rarity cards, so if you have some rare cards to spare, you can spend some of your Trade Tokens to get some cards that you dont have yet
It either preys on newer/less skilled players, or it flounders against savvy players, who know not to take the tempting offer, and a pod full of them will turn this into an overpriced ramp spell
Its not very random - but perhaps it is impossible to randomise - if the same cards are grouped together
Failing that, it's also a fine free flier that with enough pump can become a legitimate threat to close out a game
These were worth about $10 each more than a decade ago when I bought mine, and I think people have more or less forgotten that they exist during the intervening years
8 Krang, Utrom Warlord Expensive