I'd like to note that, aside from the W40K Necron deck, WotC hasn't released a monocolor precon in box stores in ten years with C14. I believe the Angels SL deck sold out quickly. Would another monocolor precon be completely out of the question based on ten year old data? Or was the Necrons deck significant for market research?

We are willing to do monocolor Commander decks, but they’re both harder to do and have a higher bar to clear.

FYI Ob Nixilis from C14 makes Demon tokens.

I was correct then.Thanks.

When Teferi was given a planeswalker card in Commander 2014, had you already decided to involve him in the new Dominaria story?

Yep.

When you said magic 2014 had pre mending walkers, you meant commander 2014 right?

Oops. Yes, I meant Commander 2014.

It was my birthday on Friday. Instead of trivia I would like to ask if we'll ever see a proper Serra card? I was really disappointed when Teferi and Freyalise got planeswalker cards in Commander 2014 but Serra didn't. She seemed like a shoe-in considering every other color got a previously met oldwalker that never had the chance to get a card before.

The reason Serra didn’t get a card in that product was that the decks were mechanically built first and then a proper flavored planeswalker that made sense with that theme was chosen.The white deck was about artifacts so Serra didn’t make sense for it. Also, introducing Nahiri was setting up Shadows over Innistrad.

Since Commander 2014 introduced or reintroduced us to characters that have since become part of the Magic storyline in a prominent way (Ob Nixilis, Nahiri), is it right to assume that characters introduced or reintroduced in subsequent supplemental products (Kaseto, Meren, Ezuri) will also appear in future storylines?

They might, but there is no promise that they will.

Is there a reason that for Commander 2014 the Commander rules weren't just tweaked to allow a Planeswalker to be a Commander instead of printing the 5 Planeswalkers for that release? Were Planeswalkers just deemed too powerful as a commander if they weren't balanced for it specifically? I mostly ask because it doesn't seem likely that random Planeswalkers will just show up in sets with " can be your commander." and I would love to see some multicolored Planeswalker commander decks.

Wizards does not control the rules for Commander. It is under the watch of the people who created the format.

Hey Mark, it is my birthday and I am in Seattle this weekend! I was wondering if you could talk about some trivia on Ob Nixilis.

We knew Ob was coming back When we returned to Zendikar so the Commander 2014 came up with the cool idea of making the Black planeswalker Ob as a human planeswalker from the past to help remind people about his backstory. Happy Birthday!

Sorry if it's been asked before, but will we see Planeswalker cards in full sets that can be used as Commanders, or will that only be for those 5 Planeswalkers in Commander 2014?

That was something we did for Commander decks. If we ever repeated it, it would be in another set of Commander decks not in a normal expansion.

Was part of the reason to include Nahiri and Ob Nixilis in Commander 2014 because you knew we were going back to Zendikar and they had critical roles on that plane's history?

Are you accusing us of actually thinking ahead and planning? : )