History of CR 712.21e

Every distinct wording since 2010, newest first.

April 14, 2023 · March of the Machine
If an effect needs to know the number of objects that changed zones, a melded permanent among those objects counts as one object that moved. If the effect needs to know the number of cards that changed zones, that melded permanent counts as two cards that moved.
February 1, 2010 · Worldwake
rule 712.21e not present in this release