While this polished agate is on your person, you gain a +1 bonus to ability checks and saving throws.

Curse. While you are attuned to this stone, whenever you roll a 20 on the die or roll greater than 20 on an ability check, attack roll, or saving throw, you must reroll it and must use the new roll.

Notes: Bonus: Ability Checks, Bonus: Saving Throws, Bonus: Initiative, Buff, Debuff, Cursed