Text (EX+errata): At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand. [Oracle 2009/07/08]
The lands are put into play during the resolution of the ability. [Barclay 1998/06/10]
Putting a land into play does not count as playing a land. [Barclay 1998/06/10]
You discard all the cards still in your hand after you put the lands into play. [D'Angelo 2001/08/24]
