Its inclusion in the deck makes it worth grabbing as a potential alternative to Queens Castle
unlike all other unique skills which either give temporary buffs/debuffs or do damage, Ramza's skills notably increase stats for the entire battle and to which enemies in battle rarely have a way to counter (namely break skills, which very few enemies will carry and use)
Since the banning of Ramunap Ruins from Standard, Magic: The Gatherings Desert land type has fallen off the radar somewhat
This is especially useful if you want to create a themed set say, a custom commander cycle, a series of tournament memories, or a collection of card alters you've created
Count us in
Similarly, if Lightning leaves the battlefield and later returns, you won't be able to play the cards that were exiled the first time it was on the battlefield since it's a new object