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Magic: The Gathering Drive to Work Podcast

#1340: The Design of Mood Swings

Magic: The Gathering Drive to Work Podcast

Wizards of the Coast

Game Design, Duels Of The Planeswalkers, Mtg, Leisure, Magic The Gathering, Ccg, Games, Mark Rosewater

4.7802 Ratings

🗓️ 15 May 2026

⏱️ 32 minutes

🧾️ Download transcript

Summary

How did I make Mood Swings into a simple, fast-paced trading card game? This episode talks about my 28 years of iteration and, for those of you interested in how a person designs a game from scratch, walks through how I created the game.

Transcript

Click on a timestamp to play from that location

0:00.0

I'm pulling away from the curb because I drop my son off at school. We all know what that means.

0:05.7

It's time for their drive to work. Okay, today's going to be a fun one. I'm talking about the design of mood swings.

0:14.3

What is mood swings? Well, back in 1998, I came up with what at the time I called a mass market trading card game.

0:23.3

The basic idea was I was thinking a lot about sort of complexity in games.

0:31.3

We were having discussion in the pit, I think, about complexity in general.

0:34.9

And I really, really like trading card games. For those who ever listen to me,

0:39.1

talk about the Golden Trifecta. Those are the three genius ideas that Richard Garfield came up with

0:44.1

when he first made magic. One was the color pie, which obviously I love if you've ever listened to this

0:48.3

podcast. Second is the mana system, which I've talked a lot about. And the third is the concept of a

0:53.3

trading card game, which actually, I did have a whole podcast on it, but I've talked a lot about. And the third is the concept of a trading card game, which actually, I did have a whole

0:56.4

podcast on it, but I've talked about this one less of the three.

1:00.2

I really like trading cards.

1:02.4

But it dawned on me that magic, while a great game, is on the complex end of the spectrum,

1:07.8

on the complexity spectrum.

1:09.3

And so I started thinking, was there a way

1:12.4

to bring trading card games to people that might not be as invested, you know, that want a slightly

1:18.6

simpler game? And so that was kind of the, you know, the idea that I had that I really thought

1:26.0

was interesting. So the question I asked for myself, and what we're going to talk through today is,

1:29.7

okay, what does that mean?

1:30.8

What does it mean to have a more accessible trading card game?

1:35.0

So the first thing I realized was that deck building, while a lot of fun, is intimidating.

1:41.4

The idea that when you buy the game, you just get pieces of the game, and then you have to build your own game, that's a lot. So I said, okay, what if we made a trading card game that it functioned like a traditional card game? Meaning you get a box, you buy it, there's cards in it to play a game. That's the game. You and your friends can play the game. You have the game.

...

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