Seth Manfield (born September 14, 1990) is an American Magic: The Gathering player, perhaps best known for winning the 2015 World Championship.

His other accomplishments include sixth-place finish at Pro Tour Fate Reforged earlier that same year, and five Grand Prix wins.

[5][6] In 2018, he was inducted into the Magic: The Gathering Hall of Fame.

[8] He is the son of bridge world champion Ed Manfield (1943–1999).

[9] Last updated: 4 November 2016Source: Event Coverage at Wizards.com His father is Ed Manfield, a champion bridge player.