the only way to save a permanent from it is to bounce it or phase it out before this sorcery resolves
(They can't be blocked as long as defending player controls an Island.) Creature - Horror Squid Toothy, Imaginary Friend Partner with Pir, Imaginative Rascal (When this creature enters, target player may put Pir into their hand from their library, then shuffle.) Whenever you draw a card, put a +1/+1 counter on Toothy
Tokens While lands eat up most of an Un-set's value thanks to the fact that they are some of the only tournament-legal cards in the set, one other group of cards from Un-sets is technically tournament legal: the tokens
Tank the Economy There are also worries that WotC will make the entire economy less rewarding if dusting is implemented
""Scarlet & Violet" Complete Set Guide: English Cards, Set List, Products, Changes, and More
The big issue was what to connect them to