You do have emotes where you can congratulate an opponent on a win and other such one liners, but generally even though the game is called MTG: Arena and it is an online game with real life opponents, as you play you barely even make that connection
With that, it means that the sealed "Pokemon" box would have sold more than that, and since it broke records, it's more than the price of the Blastoise card
Could also be the mythic uncommon of the set (though these are harder to predict)
Hitting legendary cards is also much more flexible than it sounds, letting you recur planeswalkers, discarded Channel lands like Eiganjo, Seat of the Empire, and much more
Card is powerful
Having even the 'window' that we see this artifact Tin Man guy get shattered is so much more impactful than a broken ring that the Alpha art is