Argo Siren, Iremia

:When this unit is placed by riding from "Argo Siren, Rotolis", [reveal a grade 3 card with "Argo Siren" in its card name from the ride deck], search your deck for up to one Tiding card, reveal it and put it into hand, and shuffle the deck. (Back Row RC):When your unit in the same column as this unit by a card's ability, if you have a vanguard with "Argo Siren" in its card name, 1, and this unit.