Your search for "Crystron Token OP28-EN027" revealed the following:
Crystron Token - OP28-EN027 - Super Rare from OTS Tournament Pack 28, available at 401 Games Canada. Rarity: Super Rare Card Text:This card can be used as a "Crystron Token".*If used for another Token, apply that Token's Type/Attribute/Level/ATK/DEF.