Ursarctic

The cards you listed are all from the *Yu-Gi-Oh!* trading card game and appear to be part of a set or theme called "Ursarctic." Based on the sold values shown, these specific cards are generally low in value individually, ranging from about $0.16 used up to $1.28 used for the *Ursarctic Polari*. If you have multiple copies of any of these, selling them as a lot might yield a slightly better overall return than selling them one by one.