Magic: The Gathering Comprehensive Rules Changes - Core Set - Ninth Edition to Ravnica: City of Guilds

Old rule (Core Set - Ninth Edition)	New rule (Ravnica: City of Guilds)
605.2b. [Click to view all changes.]
605.2b. Exactly one of the attack left, attack right, and attack multiple players options must be used. See rule 604, "Attack Left and Attack Right Options," and rule 603, "Attack Multiple Players Option."	605.2b. Exactly one of the attack left, attack right, and attack multiple players options must be used. See rule 604, "Attack Left and Attack Right Options," and rule 602, "Attack Multiple Players Option."

Old rule (Core Set - Ninth Edition)

New rule (Ravnica: City of Guilds)

605.2b.

Exactly one of the attack left, attack right, and attack multiple players options must be used. See rule 604, "Attack Left and Attack Right Options," and rule 603, "Attack Multiple Players Option."

605.2b.

Exactly one of the attack left, attack right, and attack multiple players options must be used. See rule 604, "Attack Left and Attack Right Options," and rule 602, "Attack Multiple Players Option."