Katharos Ode (DZ-BT07/FR40EN) [DZ-BT07: Moon Fangs & Cerulean Blaze]

Play this with [COST][Soul-Blast 1] if you have a vanguard with "Argo Siren" in its card name! [AUTO]:When this card is put into the order zone, look at the top seven cards of your deck, choose up to one card from among them and reveal it, put that card into hand if it is a Tiding card, and call it to (RC) if that is a unit card with "Argo Siren" in its card name and grade less than or equal to your vanguard. Shuffle the deck. [AUTO]:When this card is bound from the order zone by the ability of your grade 3 or greater vanguard with "Argo Siren" in its card name, choose one of your rear-guards, and [Stand] it.