Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature’s characteristics change to match the ability’s trigger condition.
January 25, 2019 · Ravnica Allegiance
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature's characteristics change to match the ability's trigger condition.
February 1, 2014 · Born of the Gods
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature’s characteristics change to match the ability’s trigger condition.
September 30, 2011 · Innistrad
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature's characteristics change to match the ability's trigger condition.
June 17, 2011 · Commander 2011
Abilities that trigger on a creature attacking trigger only at the point the creature is declared
April 1, 2011 · Duel Decks: Knights vs. Dragons
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature's characteristics change to match the ability's trigger condition.
February 4, 2011 · Mirrodin Besieged
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature’s characteristics change to match the ability’s trigger condition.
October 1, 2010 · Scars of Mirrodin
Abilities that trigger on a creature attacking trigger only at the point the creature is declared
February 1, 2010 · Worldwake
Abilities that trigger on a creature attacking trigger only at the point the creature is declared as an attacker. They will not trigger if a creature attacks and then that creature's characteristics change to match the ability's trigger condition.