WIXOSS TCG | WXDi-P13 Booster - CONCORD DiVA 

Hi there, the card is a Coin Token, which is used to activate skills by LRIGs from the Lostorage season, like Aya, Ril, Mel, Nanashi, etc... Hope this helps :)

@@projectgfchan oh okay, i have not really looked into how to play the game, but this helps, thank you :)