Sleeves create an extra barrier against dirt, oil, and minor impacts
However, if you want to take it further, there are other cards that synergise well with it
Prosper, Tome-Bound is very strong Rakdos commander who synergizes well with adventure cards, though youll be limited by its color identity on how many you can actually include
With that original brown artifacts border, the big white art copyright on the bottom and the off-center composition by Christopher Rush, Magics most iconic card is a thing of beauty to this day, sullied only by the existence of the 30th Anniversary proxies
Due to this cost reduction and the composition of the deck, it's not hard to cast Eris for 4 or even 2 mana
If Hallowed Moonlight is a decent sideboard card in Modern, why not this