History of CR 707.8

Every distinct wording since 2010, newest first.

April 14, 2023 · March of the Machine
When copying a melded permanent or other double-faced permanent, use the copiable values of the face that’s currently up to determine the characteristics of the copy. See rule 712, “Double-Faced Cards.”
February 18, 2022 · Kamigawa: Neon Dynasty
When copying a double-faced card, a face-up meld card, or a melded permanent, only the copiable values of the face that’s currently up are copied. (See rule 712, “Double-Faced Cards,” and rule 713, “Meld Cards.”)
July 23, 2021 · Adventures in the Forgotten Realms
When copying a double-faced permanent, a face-up meld card, or a melded permanent, only the copiable values of the face that’s currently up are copied. (See rule 712, “Double-Faced Cards,” and rule 713, “Meld Cards.”)
May 3, 2019 · War of the Spark
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don’t trigger and don’t have any effect, because the permanent has already entered the battlefield.
January 25, 2019 · Ravnica Allegiance
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don't trigger and don't have any effect, because the permanent has already entered the battlefield.
February 1, 2014 · Born of the Gods
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don’t trigger and don’t have any effect, because the permanent has already entered the battlefield.
September 30, 2011 · Innistrad
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don't trigger and don't have any effect, because the permanent has already entered the battlefield.
June 17, 2011 · Commander 2011
As a face-down permanent is turned face up, its copiable values revert to its normal copiable
April 1, 2011 · Duel Decks: Knights vs. Dragons
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don't trigger and don't have any effect, because the permanent has already entered the battlefield.
February 4, 2011 · Mirrodin Besieged
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don’t trigger and don’t have any effect, because the permanent has already entered the battlefield.
October 1, 2010 · Scars of Mirrodin
As a face-down permanent is turned face up, its copiable values revert to its normal copiable
February 1, 2010 · Worldwake
As a face-down permanent is turned face up, its copiable values revert to its normal copiable values. Any effects that have been applied to the face-down permanent still apply to the face-up permanent. Any abilities relating to the permanent entering the battlefield don't trigger and don't have any effect, because the permanent has already entered the battlefield.