If an Aura is attached to an illegal object or player, or is not attached to an object or player, that Aura is put into its owner’s graveyard.
January 25, 2019 · Ravnica Allegiance
If an Aura is attached to an illegal object or player, or is not attached to an object or player, that Aura is put into its owner's graveyard.
September 29, 2017 · Ixalan
If an Aura is attached to an illegal object or player, or is not attached to an object or player, that Aura is put into its owner’s graveyard.
May 1, 2014 · Journey into Nyx
If two or more permanents have the supertype world, all except the one that has had the world supertype for the shortest amount of time are put into their owners’ graveyards. In the event of a tie for the shortest amount of time, all are put into their owners’ graveyards. This is called the “world rule.”
February 1, 2014 · Born of the Gods
If two or more permanents have the supertype world, all except the one that has had the world supertype for the shortest amount of time are put into their owners’ graveyards. In the event of a tie for the shortest amount of time, all are put into their owners’ graveyards. This is called the "world rule."
July 13, 2013 · Magic 2014
If two or more permanents have the supertype world, all except the one that has had the world supertype for the shortest amount of time are put into their owners' graveyards. In the event of a tie for the shortest amount of time, all are put into their owners' graveyards. This is called the "world rule."
September 30, 2011 · Innistrad
If two or more permanents have the supertype world, all except the one that has been a permanent with the world supertype on the battlefield for the shortest amount of time are put into their owners' graveyards. In the event of a tie for the shortest amount of time, all are put into their owners' graveyards. This is called the "world rule."
June 17, 2011 · Commander 2011
If two or more permanents have the supertype world, all except the one that has been a
April 1, 2011 · Duel Decks: Knights vs. Dragons
If two or more permanents have the supertype world, all except the one that has been a permanent with the world supertype on the battlefield for the shortest amount of time are put into their owners' graveyards. In the event of a tie for the shortest amount of time, all are put into their owners' graveyards. This is called the "world rule."
February 4, 2011 · Mirrodin Besieged
If two or more permanents have the supertype world, all except the one that has been a permanent with the world supertype on the battlefield for the shortest amount of time are put into their owners’ graveyards. In the event of a tie for the shortest amount of time, all are put into their owners’ graveyards. This is called the “world rule.”
October 1, 2010 · Scars of Mirrodin
If two or more permanents have the supertype world, all except the one that has been a
February 1, 2010 · Worldwake
If two or more permanents have the supertype world, all except the one that has been a permanent with the world supertype on the battlefield for the shortest amount of time are put into their owners' graveyards. In the event of a tie for the shortest amount of time, all are put into their owners' graveyards. This is called the "world rule."