… Prior to that, there were a bunch of cool concepts in Titan that just never congealed into a unified vision. There were a lot of good ideas, but the world itself just felt kind of disjointed, and there wasn't a ton of fantasy in the world. …
… When designing a new set, Wizards has a term called "as fan" used to describe how many cards of a certain type a player sees as they open up a booster pack and fan out the cards. "If your 'as fan' isn't high enough, you can't mechanically care about it," Rosewater says. …
… It didn't seem like it was owned by one specific fantasy world." The design took a bit of fine tuning, however. …