User blog comment:B214/Question and Answers 6/@comment-2607:FB90:6037:9170:1310:D85F:B3A7:F1E8-20181110021422/@comment-1359322-20181112132916

Silver color would be Vali. Also i doubt Irina can use the Dragonar. Rias and Xenovia probably can use it because they have link to Ise through the Evil Pieces.