Lock of Trickery

Wondrous item, common

This lock appears to be an ordinary Lock (of the type described in chapter 6 of the “Player’s Handbook”) and comes with a single key. The tumblers in this lock magically adjust to thwart burglars. Dexterity checks made to pick the lock have Disadvantage.

Source: Dungeon Master’s Guide (2024) p. 275