They may look at if the printing is centered, if the corners are unbent, if theres damage to the edges, and if there are any visible creases in the image
In all honesty, the fact that Swiftspear made such a quick impression on Legacy makes me want to take a second look at Seeker of the Way in the format, a card that has already made it into multiple decklists in Standard
Here's a list of Arena sets that are available on Draftsim, a link to simulate drafting each set, and a link where you can see the pick order for each set
Sacrifice after III.) I Crescent Fang Search your library for a basic land card, put it onto the battlefield tapped, then shuffle
Its right up there with base set charizard and birthday pikachu in its demand