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

Old rule (Eventide)	New rule (Shards of Alara)
Devour [Click to view all changes.]
	Devour Devour is a static ability. "Devour N" means "As this object comes into play, you may sacrifice any number of creatures. This permanent comes into play with N +1/+1 counters on it for each creature sacrificed this way." Some objects have abilities that refer to the number of creatures the permanent devoured. "It devoured" means "sacrificed as a result of its devour ability as it came into play." See rule 502.82, "Devour."

Old rule (Eventide)

New rule (Shards of Alara)

Devour

Devour is a static ability. "Devour N" means "As this object comes into play, you may sacrifice any number of creatures. This permanent comes into play with N +1/+1 counters on it for each creature sacrificed this way." Some objects have abilities that refer to the number of creatures the permanent devoured. "It devoured" means "sacrificed as a result of its devour ability as it came into play." See rule 502.82, "Devour."