This is where Scryfall can be a great help
The value depends on age, rarity, condition, demand, format legality, collectability, and reprint history
But in terms of what digital-only cards could do, Seek, Perpetually, and Conjure actually seem like they fall on the tame end of the spectrum to my eyes
Another one of Creative Energys sins is the fact that it has 20 basic lands significantly above what one would expect from a precon of this standard
Even if you do have a lot of items to hide, this will seem to be the method that most people will want to go with
The image above (Breeding Pool from Ravnica Remastered ) shows the price arc before and after the reprint: Breeding Pool was $2022 before supply expanded sharply, then dropped to about $10 as product hit the marketa textbook correction phase