History of CR 710.1a

Every distinct wording since 2010, newest first.

July 23, 2021 · Adventures in the Forgotten Realms
The top half of a flip card contains the card’s normal name, text box, type line, power, and toughness. The text box usually contains an ability that causes the permanent to “flip” if certain conditions are met.
April 23, 2010 · Rise of the Eldrazi
rule 710.1a not present in this release
February 1, 2010 · Worldwake
Multiple turn-controlling effects that affect the same player overwrite each other. The last one to be created is the one that works.