Historical Rules · 17 November 2023
Rule 706.2b
Official source text from the 17 November 2023 Rules release
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.