472.2.a. This layer deals with effects that grant, remove, or replace the abilities or rules text of Game Objects. Keywords Passive Abilities Appending rules text Removing rules text Duplicating Rules Text from one Game Object to another
472.2.b. Effects for this layer can be identified by the phrase "become(s)," "give," "lose(s)," "have," "has," "is," or "are" in the text. Example: A permanent has the ability "Other friendly units have [Vision]." Other friendly units gain the Vision keyword in this layer.