What has been more controversial among players is that, despite the high prices, the cards do not represent major changes in design or playability
Oko comes down on turn three (often sooner, since green is the color of mana ramp), and if you don't have some way to dish out 6 damage right away, there's not much you can do to catch up
Millicent, Restless Revenant fits the bill with its spirit-reliant ability and its token generation, and there are enough spirits in the game that you can tune your deck to your budget and gameplay environment
Magic Arena brings many elements of the deckbuilding game to your computer, smartphone, or gaming console, and spices up the experience with really cool graphics and sounds
See how nasty that is
Commander is a much slower format by comparison, so Mental Misstep is far less powerful there