Rule evolution
Rule 508.3e
Earliest archived Rules release: 2022-02-18 · 1 wording revision · 0 renumberings
Added508.3eDetails
An ability that reads “Whenever [a player] attacks [another player], . . .” triggers if one or more creatures the first player controls are declared as attackers attacking the second player. It won’t trigger if a creature is put onto the battlefield attacking or if a creature attacks a planeswalker.
Wording changed508.3eDetails
An ability that reads "Whenever [a player] attacks [another player], . . ." triggers if one or more creatures the first player controls are declared as attackers attacking the second player. It won't trigger if a creature is put onto the battlefield attacking or if a creature attacks a planeswalker or a battle.