Effective Date: July 1, 2010 

Magic Online Effective Date: July 14, 2010 (after the scheduled downtime) 

Magic: The Gathering Tournament Rules Change: Extended 

On July 1, 2010, the following sets will leave the Extended format: Ninth Edition, Mirrodin, Darksteel, Fifth Dawn, Champions of Kamigawa, Betrayers of Kamigawa, Saviors of Kamigawa, Ravnica: City of Guilds, Guildpact, Dissension, and Coldsnap. From that point forward, the Extended format will include approximately four years of Magic sets instead of seven. 

At that time, the following sets will be legal in the Extended format: Time Spiral, Planar Chaos, Future Sight, Tenth Edition, Lorwyn, Morningtide, Shadowmoor, Eventide, Shards of Alara, Conflux, Alara Reborn, Magic 2010, Zendikar, Worldwake, and Rise of the Eldrazi. 

With the upcoming release of Scars of Mirrodin, the following sets will leave the Extended format: Time Spiral, Planar Chaos, Future Sight, and Tenth Edition. One year's worth of releases will leave Extended with every subsequent fall Magic set. 

Extended 

Sword of the Meek is banned. 

Hypergenesis is banned. 

Note: The four cards previously on the banned list (Æther Vial, Disciple of the Vault, Sensei's Divining Top, and Skullclamp) are in sets that are no longer in the Extended format. 

Legacy 

Mystical Tutor is banned.

Grim Monolith is no longer banned.

Illusionary Mask is no longer banned. 

Zendikar Block Constructed, Standard, Vintage 

No changes