Wand of Maddening Whispers

You gain +2 to spell attack rolls. In addition,
your spell save DC increases by 1.
Requires attunment by a spellcaster.
Whenever you cast a spell, roll a d6.
On a 6, no spellslot is expended for that spell.
On a 5, gain 20 hp.
On a 4, your AC increase by 3 for 10 minutes.
On a 2-3, cast a random spell on your closest target.
On a 1, you are stunned until the
end of your next turn.