kamigawa neon dynasty card sleeves The Wandering Emperor Standard Deck Protector (100ct) for Magic: The Gathering all of which are meant to fit standard size trading cards (“2.5 x 3.5” inches) ArtStation - The Wandering Emperor

Set them out wherever you set up shop, and give visitors the option to take interest, take a card and reach back out

The case should be recessed away from the sleeve, so Id be curious to know exactly how youre inserting the slab into the sleeve sound like a stupid question, but Ive never had this problem

Foil versions are worth even more

Like Joe Diamond, many of the cards with insight characteristics are seeker cards, so other than a few useful cards, they don't have much meaning, and you can mix in mystic cards

Numeron decks are easy to pull off, cheap to assemble and extremely effective

(Too soon?) You could always use the ledger to doodle down notes or pictures too incredibly useful