One of those free cards was one of the new Secret Rares, which apparently got a holo Attribute and Level just like the new Ultra Rares
EPIC COMMANDER BATTLES AWAIT Jump straight into the thrilling world of Commander with the Tramplesaurus Rex deck, built for exciting multiplayer battles filled with gigantic creatures, powerful plays, and unforgettable moments with friends and family
Clean raw copies have been trading from the high $200s to north of $300 depending on the tracker, and the figure has moved fast, so read it as a snapshot
Graded Population Report: Kabuto #50 Visualize the distrbution of grades in the chart
One contributing factor is the focus and care on the card arts specifically
Return to the Ranks is still chock full of potential, though