Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, “Handling Triggered Abilities.”)
January 25, 2019 · Ravnica Allegiance
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, "Handling Triggered Abilities.")
May 1, 2014 · Journey into Nyx
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, “Handling Triggered Abilities.”)
September 30, 2011 · Innistrad
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, "Handling Triggered Abilities.")
June 17, 2011 · Commander 2011
Abilities that watch for a specified step or phase to begin are triggered abilities, not turnbased actions. (See rule 603, “Handling Triggered Abilities.”)
April 1, 2011 · Duel Decks: Knights vs. Dragons
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, "Handling Triggered Abilities.")
February 4, 2011 · Mirrodin Besieged
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, “Handling Triggered Abilities.”)
October 1, 2010 · Scars of Mirrodin
Abilities that watch for a specified step or phase to begin are triggered abilities, not turnbased actions. (See rule 603, “Handling Triggered Abilities.”)
February 1, 2010 · Worldwake
Abilities that watch for a specified step or phase to begin are triggered abilities, not turn-based actions. (See rule 603, "Handling Triggered Abilities.")