The more different types of attackers a deck has, the harder it becomes to get the right energy at the right moment
Unstable is a bit absurd in that several cards with the same name are actually rather different
Its a defining card in Legacy and holds its own in Commander
Its a big list, no doubt, and Im sure Ive not included half as many cards as I should have
The question of whether Pokmon pull rates are getting worse is relevant context - One Piece has had similar community discussions about pack weighting, though the data is less extensively documented than Pokmon's
All this is to say, while people with big Reserved List collections will lose some value if the foil loophole is reinstated on the Gaea's Cradles and Gilded Drakes of the world, the impact is likely overblown, as the most expensive cards on the Reserved List are expensive because they are extremely rare and collectible, not because they haven't been reprinted