Over the course of its first year, Marvel Snap proved that it was more than just a card game; it was a celebration of Marvel Comics' characters and history. From the depths of the comics to the heights of the Marvel Cinematic Universe, many Marvel characters had their personalities and abilities shine through their cards. This was especially true for characters associated with X-Men.
Source:https://www.cbr.com/best-xmen-marvel-snap-variant-cards/