Croaking Counterpart doesnt have that restriction but does have a potential drawback
Is it an excuse to mention freerunning
Despite lacking the Madam Mim bounce package that once made the archetype great, Amethyst/Steel just has so many handy tools available to it to make it strong, and the latest set gave the deck even more to work with
Additionally, if it's in a player's opening hand, they are able to start the game with Leyline of Anticipation on the battlefield
However, more and more cards turn the discard of a card into a payoff, so if you pay it's sometimes better than Quick Study
This card also has the Evasive keyword, which means that it cannot be challenged by another character unless they have Evasive on their turn, making it that much harder to get rid of - and opponents will want to get rid of Jafar, Striking Illusionist because of its ability