Some effects from static abilities allow a player to take an action to ignore the effect from that ability for a duration. Doing so is a special action. A player can take such an action any time they have priority.
May 3, 2019 · War of the Spark
State-based actions happen automatically when certain conditions are met. See rule 704. They’re dealt with before a player would receive priority. See rule 116.5.
January 25, 2019 · Ravnica Allegiance
State-based actions happen automatically when certain conditions are met. See rule 704. They're dealt with before a player would receive priority. See rule 116.5.
February 1, 2014 · Born of the Gods
State-based actions happen automatically when certain conditions are met. See rule 704. They’re dealt with before a player would receive priority. See rule 116.5.
September 30, 2011 · Innistrad
State-based actions happen automatically when certain conditions are met. See rule 704. They're dealt with before a player would receive priority. See rule 116.5.
June 17, 2011 · Commander 2011
State-based actions happen automatically when certain conditions are met. See rule 704.
April 1, 2011 · Duel Decks: Knights vs. Dragons
State-based actions happen automatically when certain conditions are met. See rule 704. They're dealt with before a player would receive priority. See rule 116.5.
February 4, 2011 · Mirrodin Besieged
State-based actions happen automatically when certain conditions are met. See rule 704. They’re dealt with before a player would receive priority. See rule 116.5.
October 1, 2010 · Scars of Mirrodin
State-based actions happen automatically when certain conditions are met. See rule 704.
July 16, 2010 · Magic 2011
State-based actions happen automatically when certain conditions are met. See rule 704. They're dealt with before a player would receive priority. See rule 116.5.