Of course, not all cards will lose value equallysome cards will lose more than othersso let's talk about the broad categories of cards found in Commander decks (and how each group is impacted by reprintings)
Korvold, Fae-Cursed KingKorvold, Fae-Cursed King - 28,572 decks, 16,921 as commander This Dragon Noble is a more popular commander than Henzie, currently sitting at 46th place
Keywords like this are considered evergreen, meaning they show up in every set on at least a couple creatures
Mill ten
Eggman 2.7%inclusion 3 decks 113 decks The Master, Multiplied 1.2%inclusion 2 decks 166 decks Urza, Chief Artificer 1.2%inclusion 2 decks 166 decks Breya, Etherium Shaper 1.2%inclusion 2 decks 166 decks Imskir Iron-Eater 1.2%inclusion 2 decks 166 decks The Fourteenth Doctor // Clara Oswald 1.2%inclusion 2 decks 166 decks Sharuum the Hegemon 0.6%inclusion 1 decks 166 decks Obeka, Splitter of Seconds 0.6%inclusion 1 decks 166 decks The Fifteenth Doctor // Clara Oswald 0.6%inclusion 1 decks 166 decks Cayth, Famed Mechanist 0.6%inclusion 1 decks 166 decks Aloy, Savior of Meridian 1.1%inclusion 1 decks 94 decks Mr