Magna Carta Cellars, founded in 2014, is a Napa Valley winery known for its Bordeaux-style blends. The winery's founders aimed to combine the characteristics of high-quality Napa Valley fruit with the traditions of Old World winemaking to create world-class wines. They limit their annual production to 650 cases to emphasize quality over quantity. Magna Carta Cellars' flagship wine is a blend of Cabernet Sauvignon, Merlot, Cabernet Franc, Petit Verdot, and Malbec. They source their grapes from premier vineyards within Napa Valley. The winemaking team includes proprietor David Choi and winemakers Peter Heitz and Scott Palazzo. Their wines have received critical acclaim, with some being described as among the top 6% of wines in the world.