Gengy's set.

If a character is wearing/possessing and is attuned to the entire Gengy's armor and accessory set. The character can cast blur, misty step and disguise self only on itself 1/day using any of the pieces as a spellcasting focus, must be cast from darkness or dim light.

The set:

Gengy's Hide

Gengy's Bandana of Obscuring

Gengy's Spectral Waders

Gengy's Extra Pocket

Gengy's Lucky Lockpick