The deck bases around the strategy of this man: https://ygoprodeck.com/phantasms-awakening-how-to-tame-the-sacred-beasts/ Props to this guide, very detailed and informative
I was experimenting with the deck for the past weeks and figured this might be something very decent.
The Piri Reis Map card is a great support for Sacred Beasts.
You may also consider running Crossout Designator which is also a great help in this deck