It's sad to say, but all fetch lands are powerful, widely playable, and desirable across multiple MTG formats
(2) this is a very weak argument even if you know that the opponent will try to mill you: using anti-mill cards is much better instead
This makes ramping multiple times in the early turns rather difficult thanks to the mediocre cards
Emrakul, the World Anew is also in the $50 range, and I've seen a couple streamers play with this card in the Arena Early Access event
The sacrifice-heavy, aristocrats-style game plan feels right at home with Blood tokens, death triggers, and drain effects
Many players flesh out their collection via trades, but trading also helps create the community bonds that make the game so special