History of CR 700.3a
Every distinct wording since 2010, newest first.
September 30, 2011 · Innistrad
Each of the affected objects must be put into exactly one of those piles, unless the effect specifies otherwise.
June 17, 2011 · Commander 2011
Each of the affected objects must be put into exactly one of those piles, unless the effect
February 4, 2011 · Mirrodin Besieged
Each of the affected objects must be put into exactly one of those piles, unless the effect specifies otherwise.
October 1, 2010 · Scars of Mirrodin
Each of the affected objects must be put into exactly one of those piles, unless the effect
April 23, 2010 · Rise of the Eldrazi
Each of the affected objects must be put into exactly one of those piles, unless the effect specifies otherwise.
February 1, 2010 · Worldwake
Each object in a pile is still an individual object. The pile is not an object.