A spell’s owner is the same as the owner of the card that represents it, unless it’s a copy. In that case, the owner of the spell is the player under whose control it was put on the stack. A spell’s controller is, by default, the player who put it on the stack. Every spell has a controller.
May 3, 2019 · War of the Spark
Abilities can affect the objects they’re on. They can also affect other objects and/or players.
January 25, 2019 · Ravnica Allegiance
Abilities can affect the objects they're on. They can also affect other objects and/or players.
February 1, 2014 · Born of the Gods
Abilities can affect the objects they’re on. They can also affect other objects and/or players.
September 30, 2011 · Innistrad
Abilities can affect the objects they're on. They can also affect other objects and/or players.
June 17, 2011 · Commander 2011
Abilities can affect the objects they’re on. They can also affect other objects and/or players.
April 1, 2011 · Duel Decks: Knights vs. Dragons
Abilities can affect the objects they're on. They can also affect other objects and/or players.
October 1, 2010 · Scars of Mirrodin
Abilities can affect the objects they’re on. They can also affect other objects and/or players.
February 1, 2010 · Worldwake
Abilities can affect the objects they're on. They can also affect other objects and/or players.