These types of cards allow players to gain perfect information about their opponent's hand, don't cost a card in their hand to play (cause it gets replaced), and helps the player adjust their gameplay accordingly on that turn
How about a tribal cube with archetypes for Goblins, Elves, Soldiers, Merfolk, or even some of the more obscure tribes like Cephalids and Dwarves
It gives those decks a great source of card advantage while also being able to shut down troublesome planeswalkers like Vivien Reid or Ajani, Adversary of Tyrants
In a very stark contrast between Snow White and Mufasa, her standard variant can be purchased for less than $1 , which would suggest that the Enchanted cards value is based on its aesthetics alone, not its usefulness (or otherwise) in-game
I think that scry 2 may be more powerful than creating a 1/1 white Human token, but there is a world where Castle Ardenvale is the sole win condition