Magics Un-sets have always been a bastion of fresh, experimental card design, but it wasnt until Unfinity that said designs actually made their way into constructed legality
Throwing away a couple of tokens to strip your opponents of their hands puts you in a great spot in terms of card advantage, doubly so with discard payoffs like Tergrid, God of Fright and Waste Not
Thats why the price is above bulk
It's a handy Ability that can give you more options in your hand
Then if you control six or more lands, repeat this process once
Generally speaking, you can expect those more limited cards (about 25,000 of each were produced) to sell for 8-10 times their matte counterparts (again, in PSA 10)