If two or more effects are attempting to modify the natural result, the player who rolled chooses one to apply, following these steps: First, consider any effects that modify the result of a die roll by rerolling that die. Second, consider any effects that modify the result of a die roll by increasing or decreasing that result by a specified amount.
July 23, 2021 · Adventures in the Forgotten Realms
rule 706.2b not present in this release
May 3, 2019 · War of the Spark
Once an object has been copied, changing the copiable values of the original object won’t cause the copy to change.
January 25, 2019 · Ravnica Allegiance
Once an object has been copied, changing the copiable values of the original object won't cause the copy to change.
July 13, 2018 · Core Set 2019
Once an object has been copied, changing the copiable values of the original object won’t cause the copy to change,