Argo Siren, Aitya

:When this unit is placed on , if you have a vanguard with "Argo Siren" in its card name, 1, choose a Tidings card with grade less than or equal to your vanguard from your drop, and put it in the order zone. Back Row /Hand:At the beginning of the guard step of the battle your vanguard with "Argo Siren" in its card name is attacked, [put this card into drop], and that unit gets +10000 until end of that battle. (Performed before calling guardians and intercepting)