If a base card becomes too expensive, Bandai will reprint it because they just want people playing the game
If the game gets that far
This impacts both players and collectors alike
You give Wizards money for the chance to open a card that has some amount of value (because you can use it to build and play decks that you couldn't before), and Wizards gives you nothing in return because your fifth, sixth, seventh, and eighth copies of Rishkar, Peema Renegade do nothing but take up room on your collection screen
The powerful blue planeswalker also sees play in literally every other competitive Magic format, from Standard all the way through Legacy
It's not quite Griselbrand, which is still stuck in banned-world, but it's darn close