Smuggler's Copter is the most dominant card (by percentage of decks that play it), and while it's featured in both of the big decks, it's also propping up a bunch of second-tier decks like Mardu / RW Vehicles and Bx Zombies, so getting rid of the looter scooter might actually make the format less diverse, as odd as that sounds
You'll need to run a lot of blue sources before you can cast Cryptic Command with any sort of regularity, but the payoff is massive
At the end of the turn, each player discards their hand
However, this is a really risky card to play
The good news is that Dunker makes them cry, and Jersey pretty much means an OTK if they leave any monster on the field without adequate protection
You won't be able to tap anything during your end step in time to have the ability trigger