Magic: The Gathering Comprehensive Rules Changes - Eventide to Shards of Alara

Old rule (Eventide)	New rule (Shards of Alara)
403.1. [Click to view all changes.]
403.1. An activated ability is written as "[cost]: [effect]." The activation cost is everything before the colon (:). An ability's activation cost must be paid by the player who is playing it.	403.1. An activated ability is written as "[Cost]: [Effect.] [Play restriction (if any).]" The activation cost is everything before the colon (:). An ability's activation cost must be paid by the player who is playing it.

Old rule (Eventide)

New rule (Shards of Alara)

403.1.

An activated ability is written as "[cost]: [effect]." The activation cost is everything before the colon (:). An ability's activation cost must be paid by the player who is playing it.

403.1.

An activated ability is written as "[Cost]: [Effect.] [Play restriction (if any).]" The activation cost is everything before the colon (:). An ability's activation cost must be paid by the player who is playing it.