It communicates a sense of impending doom that works across a multitude of artistic media and language
If its in the command zone, you need lots of ways to kill your opponents creatures and mana to either grow Shelob, Dread Weaver with +1/+1 counters or grow your board using your opponents cards
Crew 1 makes it very easy to have at least a few of them active each turn, and you only actually have to sacrifice three permanents to turn the entire fleet into flying creatures
Midrange White decks shave pretty weak threats since Lyra Dawnbringer rotated
To build a tier one deck, you are almost always shelling $160 for Gideon, Ally of Zendikar, $280 for Jace, Vryn's Prodigy, or *god forbid* $440 for a play set of both
Only a single word was changed, but its an important change: it means you can banish your own character if you want to