Scars of Mirrodin, October 01

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

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.