The Constructed-format portion of Pro Tour Philadelphia, previously scheduled to be Extended, has been changed to Modern. The new format will be used for ten rounds of Swiss play and the Top 8.
The Modern format consists of all Magic sets printed since the introduction of the modern card frame, starting with Eighth Edition. This includes Eighth Edition, Ninth Edition, Tenth Edition, Magic 2010, Magic 2011, Magic 2012, the Coldsnap expansion set, and the following blocks: Mirrodin, Kamigawa, Ravnica, Time Spiral, Lorwyn, Shadowmoor, Shards of Alara, Zendikar, and Scars of Mirrodin.
Twenty-one cards are included on the banned list for Modern:
Ancestral Vision
Ancient Den
Bitterblossom
Chrome Mox
Dark Depths
Dread Return
Glimpse of Nature
Golgari Grave-Troll
Great Furnace
Hypergenesis
Jace, the Mind Sculptor
Mental Misstep
Seat of the Synod
Sensei's Divining Top
Skullclamp
Stoneforge Mystic
Sword of the Meek
Tree of Tales
Umezawa's Jitte
Valakut, the Molten Pinnacle
Vault of Whispers
For a full explanation of the format, the Pro Tour format change, and the Banned List, please read Tom LaPille's Latest Developments column.
Pro Tour Philadelphia will be held September 2-4, 2011 at the Pennsylvania Convention Center. The Standard-format Last-Chance Qualifier will be held Thursday, September 1 on site, with registration opening at 1 p.m.