All things considered, I think you can argue that Invasion of Ravnica is anywhere in the A- or B-tier range, although I'm going to aim high and put it in A-tier
Odysseus has a special bond with Athena, while Callaphe, as her Beloved of the Sea epithet would suggest, is the protegee of Theros ocean goddess, Thassa
Using Enchantments that return to your hand anytime they go to the graveyard is a nice strategy too, as you can get back the Enchantments effect while also making sure you continue to have fuel for Ertais ability
Youll find pre-built and official Magic the Gathering commander decks to help you learn one of the most exciting formats to come to the game
If you drop this onto an even meager board and then cast Ghostly Flicker, Ephemerate, or something similar on it, you could produce a massive aerial attack out of nowhere