Historical Rules · 3 February 2023
Rule 706.2b
Official source text from the 3 February 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.