Historical Rules · 16 July 2010
Rule 800.3
Official source text from the 16 July 2010 Rules release
Many multiplayer _Magic_ tournaments have additional rules not included here, including rules for deck construction. See the most current __Magic: The Gathering__ Tournament Rules for more information. They can be found at <http://www.wizards.com/Magic/TCG/Events.aspx?x=dci/doccenter/home>.