Focusing on the Mewtwo EX card featured in the 'Psycho Drive' Booster pack of the Pokémon Card Game BW, released in 2011, this card marked a pivotal moment as the first introduction of 'Pokémon-EX.' While the R (Rare) rarity version experienced a revival as a promotional reprint during the 25th anniversary, it's noteworthy that the SR (Super Rare) card hasn't seen a reissue, adding an extra layer of exclusivity to this iconic piece.