The term Aristocrats is derived from the cards Cartel Aristocrat, Indulgent Aristocrat, Vampire Aristocrat and Falkenrath Aristocrat that have these types of abilities and Aristocrat as part of their card name
Bouncing your lands and replaying them each turn can lead to some huge value plays, especially if you run lands with enters abilities like Echoing Deeps or the Surveil lands
The original naming choice came from Spacegodzillas signature attack, which just so happens to be called the Corona Beam
After all, Commander is a game that most people play to escape from stress and have a good time
Card Text: , Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle
While it's obviously still very affordable, that's a pretty sizable 415% spike, and it still seems to be rising