Ryan Overturf advocates for at least the occasional game of multiplayer Magic, and goes over his favorite ways to play with more than two players! 

References: 

Free-for-All Magic: https://mtg.fandom.com/wiki/Free-for-All

Two-Headed Giant: https://mtg.fandom.com/wiki/Two-Headed_Giant 

Star Magic: https://mtg.fandom.com/wiki/Star 

Emperor: https://mtg.fandom.com/wiki/Emperor 

Grand Melee: https://mtg.fandom.com/wiki/Grand_Melee