3 cards where the Oracle ID is “7617a6f7-c83b-4ee5-a681-c7e164456526”

Yggdrasil, Rebirth Engine (Assassin's Creed #78)
Yggdrasil, Rebirth Engine (Assassin's Creed #126)
Yggdrasil, Rebirth Engine (Assassin's Creed #264)

The message was clear to Sorin—time to search for something else.