Team

In Magic, a team is a group of players who share a common victory condition in a multiplayer game.

From the glossary of the Comprehensive Rules (June 7, 2024—Modern Horizons 3)

Team

A group of players who share a common victory condition in a multiplayer game. See rule 808, “Team vs. Team Variant,” rule 809, “Emperor Variant,” rule 810, “Two-Headed Giant Variant,” and rule 811, “Alternating Teams Variant.”

Team variants

• Team vs. Team
• Emperor
• Two-Headed Giant
• Alternating Teams

Professional play

In Professional play, most Magic players also work with a team of some sort, to brew and playtest.