Jetmir, Nexus of Revels is the best example with its massive anthem effect, while Edric, Spymaster of Trest and Commissar Severina Raine demonstrate other ways to close the game
While this effect is inherently fair as a sideboard effect in lower-power formats, Vintage is a format that encourages explosive starts and free spells, so having access to four copies of Vexing Bauble lead to many games being defined by players starting off with a Turn 1 Vexing Bauble and the opposing player being functionally cut off from doing what the format encourages them to do
It is because he is a colourless artifact more than because he can be good value that gains him this high esteem spot
Im well aware the deck can recur Instants and Sorceries, but Ill address that separately
Like most One Piece TCG cards, the value of After All These Years Im Losing My Edge depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (A Fist of Divine Speed)