[PS4, PS5, XSX] Assassin's Creed: Mirage $23 + Shipping / $0 CC (Select Stores) @ EB Games

Pretty sure this is the cheapest the physical has ever been.

PS4 version (has upgrade to PS5)(ebgames.co.nz)
PS5 version(ebgames.co.nz)
Xbox version(ebgames.co.nz)

Note that this game is not yet on PS Extra or Xbox Game Pass, however Valhalla is currently on both so I'd say it's likely it will eventually make it's way there.

Experience the story of Basim, a cunning street thief with nightmarish visions, seeking answers and justice as he navigates the bustling streets of ninth-century Baghdad. Through a mysterious, ancient organization known as the Hidden Ones, he will become a deadly Master Assassin and change his fate in ways he never could have imagined.
Features:

Discover a tightly crafted, narrative-driven action-adventure experience that follows the transformation of a defiant young man into a refined Master Assassin.
Journey to Alamut, the legendary home of the Assassins who laid the foundations of the Creed in this heartfelt homage to the game that started it all.
Experience a modern take on the iconic features and gameplay that have defined a franchise for 15 years as you parkour seamlessly through the city and stealthily take down targets with more visceral assassinations than ever before.
Explore an incredibly dense and vibrant city whose inhabitants react to your every move, and uncover the secrets of four unique districts as you venture through the Golden Age of Baghdad.