Feb 23 Sunday's Format

Chose any Block 
from http://www.magic-league.com/guide/formats.php#Block 
of your choice.  Land may be from that Block if not it must be Basic.

You may for example chose to play Kamigawa Block. If you do, you may play cards from Champions of Kamigawa, Betrayers of Kamigawa or Saviors of Kamigawa.