Just as Burn struggles to win with Lightning Bolt alone, you need a cheap creature that generates value over time in order to really maximize your mill count, and the Crab is simply best-in-class
Salvation Swan A flash Phantom Monster is always good, especially one that can blink-save something with a nice ETB
Personally I have used them in a variety of commander decks without much issue in multiple playgroups over the years, maybe just the casual "go buy the real card expletive" or general banter, but never outright opposition to their use in casual pods, of course for cEDH I'd always go buy the real card
The floor here is 4-mana 6/6, and you can run this thing out on turn one
Ever since the invasion of cash-flush influencers into the scene, including YouTube star Logan Paul and rapper Logic, the market has seen a huge uptick in demand for the already-popular TCG
So basically, trading in Pokmon TCG Pocket will have a currency-limited cooldown and it will only be for older booster pack collections