Guardian staff

Cost: 13 gp
Weight: 4 lb.

A guardian staff is formed from an uncut branch of a watcher tree, a variety of oak that grows only in the Feywild.

Energized (force) (When you use an attack power through an energized implement, you gain a +2 bonus to damage rolls if the power has the keyword that matches the implement’s damage type. The bonus increases to +3 at 11th level and +4 at 21st level.).
Shielding (Whenever you hit at least one target with an attack power using a shielding implement, you gain a +1 shield bonus to AC and Reflex until the start of your next turn.).

Staff (In its most basic form, a staff is a long piece of wood or some other substance, roughly the same diameter along its whole length.).

Published in Player's Handbook 3, page(s) 195, Mordenkainen's Magnificent Emporium, page(s) 40.