They examine the card for things like surface wear, corner sharpness, and centering, then assign it a grade on a scale from 1 to 10
Moreover, ensuring they meet the highest standards
Iron Man Armor Saffgor: This isn't exciting, but having the ability to retain an attacker/blocker after a board wipe as an Equipment deck is very relevant
Artifacts are a very popular archetype, but they are also historically colorless, so a four color general seemed like more of a hindrance in 2016, whereas the proliferation of colored artifacts following War of the Spark meant that Breya allowed you to take on new cards in ways that Bosh, Iron Golem and Memnarch would not have allowed
Investment Potential: Sealed booster boxes from special anniversary sets, especially Japanese ones, are known to hold and often increase in value over time
Ordered mine as I put it in, so no real order within the tiers