Last Updated: 2026-07-16

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477.1. 1. Trait-Altering Effects

477.1.a. This layer deals with effects that grant, remove, or replace inherent traits of Game Objects. Name Super Type Type Tags Controller Cost Domain
477.1.a.1. Assignment of Might is dealt with in this layer. Example: A spell reads "A unit's Might becomes 4 this turn." The unit's Might is set to 4 in this layer.
477.1.b. Copy effects are applied in this layer.
477.1.b.1. When one Game Object becomes a copy of another, all copyable traits replace or are added to those of the original Game Object as specified by the Game Effect directing the Copy. This is applied in this layer.
477.1.b.2. Some Game Effects may specify copying certain traits of a card. Only the traits specified by the Game Effect will be copied.
477.1.c. Effects for this layer can be identified by the phrase "become(s)", "give," "is," or "are" in the text. Example: A permanent has the ability "Other friendly units are Yordles." Other friendly units gain the Yordle tag in this layer.
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