Hammer Of Thunderous Blows

Magic Light Hammer (Evocation), Very Rare (requires attunement) 2d4 Thunder Damage, Light, Thrown (20/60)
You have a +2 bonus to attack and damage rolls made with this magic weapon. The Hammer of Thunderous Blows is a light hammer that deals 2d4 thunder damage on a hit.
If the Hammer of Thunderous Blows is within 120 feet of you, you can call it to your open hand as a Bonus Action. A creature that is holding it may try to oppose you, rolling a strength (Athletics) check with a DC of 30. On a success, they are dragged 30 feet towards you in a straight line. On a failure they release the hammer.

Rarity

Very Rare