Staff of the Magpie

Alter: This magic stone staff weighs 10 pounds and has a bust of a magpie at its top. While holding the staff, you gain a +1 bonus to Investigation checks made to search for treasure or a specific item you're looking for. The staff has 10 charges. While holding the staff, you can use your action to cast one of the following spells from it: Fly (3 charges) or locate object (2 charges). The staff regains 1d6+4 charges daily at dawn. If you expend the staff's last charge, roll a d20. On a 1, the staff becomes a nonmagical quarterstaff as the magpie springs to life and flies away.

Attunement: Spellcaster
Rarity: Rare
Type: Staff
Cost: 3825gp

Griffons Saddlebag, Vol 1

When the magpie gets tired and lands to rest, its said to create the staff anew.