So, I'm looking at running a campaign on Ravnica. My hope is to run it as the PC's are planeswalkers. My other hope is to make Nicol Bolas the main villain. I have a few small ideas for the campaign, like starting them at level 3, running the Krenko's Way quest, a run in with the Shattergang brothers, discovering Nassius Vens dark secrets, but that's relatively it. I'm hesitant to use the idea of them planeswalking just to find quests, I'd rather use it more as a way to complete them, like "An Izzet scientist needs a mineral to complete this experiment" mineral isn't on Ravnica, but they know plane that has it, or another planeswalker does, so they venture to that plane to collect it and maybe there are some small quests there. But, what I'm really looking at, is some Bolas themed quests. I'd like to avoid to much similarity to WoTS but I'm not completely opposed to some ideas from it. So, what are some things that might happen with Bolas as the main villain?