History of CR 208.3a

Every distinct wording since 2010, newest first.

April 14, 2023 · March of the Machine
If an effect would be created that sets the base power and/or toughness of a noncreature permanent, or otherwise modifies its power and/or toughness, that effect is created even though it doesn’t do anything unless that permanent becomes a creature.
May 3, 2019 · War of the Spark
If an effect would be created that affects the power and/or toughness of a noncreature permanent, that effect is created even though it doesn’t do anything unless that permanent becomes a creature.
January 25, 2019 · Ravnica Allegiance
If an effect would be created that affects the power and/or toughness of a noncreature permanent, that effect is created even though it doesn't do anything unless that permanent becomes a creature.
September 30, 2016 · Kaladesh
If an effect would be created that affects the power and/or toughness of a noncreature permanent, that effect is created even though it doesn’t do anything unless that permanent becomes a creature.
February 1, 2010 · Worldwake
rule 208.3a not present in this release