Such fillers are apparently sometimes used in other TCGs (see The Collation Project on the topic of Magic: The Gathering) and are discarded after cutting (though I wouldnt be surprised if there are Jungle packs accidentally containing a blank card out there somewhere)
Barring some reprints, budget-conscious players will have to make do with Spell Swindle, Xorn, Tireless Provisioner, Academy Manufactor, Brasss Bounty, and at this point, who am I kidding
Marshadow is known to conceal itself in shadows to remain undetected by those around it , and this scene clearly showcases Marshadow leaping out of the shadows towards the viewer
overall we have some pretty good options
But, what if you could enhance this protection while displaying your collection with elegance