Scars of Mirrodin

Magic's October 2010 large set, code-named "Lights," is called Scars of Mirrodin.

The Corrosion Begins October 1, 2010

Set Name	Scars of Mirrodin
Block	Set 1 of 3 in the Scars of Mirrodin block
Three-Letter Abbreviation	SOM
Number of Cards	249
Release Date	October 1, 2010
Prerelease Events	September 25-26, 2010
Launch Parties	October 1-3, 2010
Design Team	Mark Rosewater (lead) Mark Gottlieb Alexis Janson Erik Lauer Matt Place Mark Globus Nate Heiss
Development Team	Mike Turian (lead) Aaron Forsythe Erik Lauer Mark Purvis Matt Place

Standard now rotates only once each year, with the release of the October large set. So Scars of Mirrodin will enter Standard on its release and Shards of Alara block and Magic 2010 will leave. The Standard format after the release of Scars of Mirrodin will consist of Zendikar Block, Magic 2011, and Scars of Mirrodin.

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