Staff of Ruin

===Staff of Ruin===
This gnarled, jagged staff fits the hand of any wizard seeking to devastate his opponent.
Property: You gain a +1 to attack rolls and damage rolls on spells you cast while wielding this staff. In addition, when you score a critical hit with it, the target takes 1d10 extra damage.
Requirement: You must be able to cast one spell from the wizard's spell list to become attuned to this staff.
Property (Attuned): In addition to the normal enhancement bonus, gain a +1 bonus to damage rolls.
Rarity: Uncommon