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