History of CR 701.26a

Every distinct wording since 2010, newest first.

June 6, 2025 · Final Fantasy
To tap a permanent, turn it sideways from an upright position. Only untapped permanents can be tapped.
April 14, 2023 · March of the Machine
Only a face-up ongoing scheme card may be abandoned, and only during an Archenemy game. See rule 314, “Schemes,” and rule 904, “Archenemy.”
July 23, 2021 · Adventures in the Forgotten Realms
Only a face-up ongoing scheme card may be abandoned, and only during an Archenemy game. See rule 313, “Schemes,” and rule 904, “Archenemy.”
July 3, 2020 · Core Set 2021
Only a face-up ongoing scheme card may be abandoned, and only during an Archenemy game. See rule 312, “Schemes,” and rule 904, “Archenemy.”
May 3, 2019 · War of the Spark
To proliferate means to choose any number of permanents and/or players that have a counter, then give each one additional counter of each kind that permanent or player already has.
April 27, 2018 · Dominaria
To proliferate means to choose any number of permanents and/or players that have a counter, then give each exactly one additional counter of a kind that permanent or player already has.
September 30, 2016 · Kaladesh
To transform a permanent, turn it over so that its other face is up. Only permanents represented by double-faced cards can transform. (See rule 711, “Double-Faced Cards.”)
February 1, 2014 · Born of the Gods
Certain spells and abilities can detain a permanent. Until the next turn of the controller of that spell or ability, that permanent can’t attack or block and its activated abilities can’t be activated.
October 1, 2012 · Return to Ravnica
Certain spells and abilities can detain a permanent. Until the next turn of the controller of that spell or ability, that permanent can't attack or block and its activated abilities can't be activated.
February 1, 2010 · Worldwake
rule 701.26a not present in this release