Resources

Magic: The Gathering Comprehensive Rules Changes

Core Set - Ninth Edition to Ravnica: City of Guilds (Single Change View)

General changes

Old rule (Core Set - Ninth Edition) New rule (Ravnica: City of Guilds)

Attacking Creature

A creature becomes an attacking creature when (a) it's declared as part of a legal attack during the combat phase and (b) all attack costs have been paid. It remains an attacking creature until it's removed from combat, it stops being a creature, its controller changes, or the combat phase ends. Attacking creatures don't exist outside of the combat phase. See rule 308, "Declare Attackers Step."

Attacking Creature

A creature becomes an attacking creature when (a) it's declared as part of a legal attack during the combat phase and (b) all costs to attack, if any, have been paid. It remains an attacking creature until it's removed from combat, it stops being a creature, its controller changes, or the combat phase ends. Attacking creatures don't exist outside of the combat phase. See rule 308, "Declare Attackers Step."