History of CR 704.6f

Every distinct wording since 2010, newest first.

July 3, 2020 · Core Set 2021
In a Planechase game, if a phenomenon card is face up in the command zone, and it isn’t the source of a triggered ability that has triggered but not yet left the stack, the planar controller planeswalks. See rule 901, “Planechase.”
February 1, 2010 · Worldwake
rule 704.6f not present in this release