raw cards vs graded Rare Edition™ Premium Grading Upgrade (from Card Review) – The SportsRoom Graded vs Raw Cards: Which

Game 2 While other players continued with their Eminence -commanders I wanted to give [scryfall]Nazahn, Revered Bladesmith[/scryfall] a chance since the first game had shown this deck was about the equipment

link I believe this is what could have caused the grey stamps we see today

With three mana, you can play plenty of great commanders, cast tons of mana rocks, and have access to all sorts of other ramp spells

The only cards from the list above that had their characters reprinted in other sets are Baron Sengir and Eron, which were last seen in MTG sets Commander Legends (2020) and Time Spiral (2006), respectively