Mood Swings

Mood Swings is a standalone trading card game designed by Magic: The Gathering head designer Mark Rosewater. He first came up with the concept in 1998 and spent 28 years trying to get it made. It finally debuted at MagicCon Las Vegas in May 2026 and goes on sale June 1 exclusively through Secret Lair for $25. Here is everything you need to know about what Mood Swings is, how it plays, and why it took nearly three decades to get here.