They enable big turns and protect fragile commanders so players are able to have more fun doing their thing, and printing them in precons means the average player will have access to this vital effect
This premium reflects superior print quality, earlier availability, and exclusive rarities like MUR that dont exist in English sets
whereas others stood alone as win well cards, such as Aurelia, the Warleader and Boros Reckoner
Let Restricted Office / Lecture Hall be an example for how Inquisitive Glimmer helps you take control of the game earlier
Lets take a look at a typical Storm list with Dark Confidant and Lions Eye Diamond: LED Storm by enderfall Storm decks can win as early as Turn 1 with a busted draw (such as Land, Ritual, Ritual, LED, Duress, Petal, Tutor) and consistently within the first 3-4 turns of the game
As such, I think Invasion of Segovia is one of those rare battles where the backside is the real payoff