Stone of Good Luck (Luckstone) 2014
Wondrous Item, uncommon, (requires attunement)
While this polished agate is on your person, you gain a +1 bonus to ability checks and saving throws.
Other versions
Source: System Reference Document 5.1 (Wizards of the Coast) · License: Creative Commons Attribution 4.0 / OPEN GAME LICENSE Version 1.0a details