Asuna's Strong Bond (SAO/S20-E014 C) [Sword Art Online]

[AUTO] Bond/"Kirito Joins the Knights of the Blood Oath" [Put the top card of your deck into your clock](When this card is played and placed on stage, you may pay the cost. If you do, choose a card named "Kirito Joins the Knights of the Blood Oath" in your waiting room, and return it to your hand.) [ACT][(1)] Choose one of your {Avatar} characters, and that character gets +500 power until end of turn.