When I have an Enhanced arcane focus wand in one hand and the Staff of Power in the other, do the spell attack bonuses stack?
Enhanced Arcane Focus
Item: A rod, staff, or wand (requires attunement)
While holding this item, a creature gains a +1 bonus to spell attack rolls. In addition, the creature ignores half cover when making a spell attack.
The bonus increases to +2 when you reach 10th level in this class.
Staff of Power
This staff can be wielded as a magic quarterstaff that grants a +2 bonus to attack and damage rolls made with it. While holding it, you gain a +2 bonus to Armor Class, saving throws, and spell attack rolls.