History of CR 301.5

Every distinct wording since 2010, newest first.

October 4, 2019 · Throne of Eldraine
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It can’t legally be attached to anything that isn’t a creature.
May 3, 2019 · War of the Spark
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It can’t legally be attached to an object that isn’t a creature.
January 25, 2019 · Ravnica Allegiance
Some artifacts have the subtype "Equipment." An Equipment can be attached to a creature. It can't legally be attached to an object that isn't a creature.
May 1, 2014 · Journey into Nyx
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It can’t legally be attached to an object that isn’t a creature.
February 1, 2014 · Born of the Gods
Some artifacts have the subtype "Equipment." An Equipment can be attached to a creature. It can’t legally be attached to an object that isn’t a creature.
September 30, 2011 · Innistrad
Some artifacts have the subtype "Equipment." An Equipment can be attached to a creature. It can't legally be attached to an object that isn't a creature.
June 17, 2011 · Commander 2011
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It
April 1, 2011 · Duel Decks: Knights vs. Dragons
Some artifacts have the subtype "Equipment." An Equipment can be attached to a creature. It can't legally be attached to an object that isn't a creature.
February 4, 2011 · Mirrodin Besieged
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It can’t legally be attached to an object that isn’t a creature.
October 1, 2010 · Scars of Mirrodin
Some artifacts have the subtype “Equipment.” An Equipment can be attached to a creature. It
February 1, 2010 · Worldwake
Some artifacts have the subtype "Equipment." An Equipment can be attached to a creature. It can't legally be attached to an object that isn't a creature.