Today Wizards of the Coast announced a number of changes for the Extended and Legacy formats. These changes become effective on July 1st. Read the original article here.

Extended

Banning: Sword of the Meek and Hypergenesis

Rotation: They've also announced a forward rotation to keep Extended only the past four years of Magic, at this point it will be Time Spiral forward.

[easybox]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.[/easybox]

Legacy

Banned: Mystical Tutor

Unbanned: Grim Monolith & Illusionary Mask

These changes become effective on July 1st.