The Horns of Minos

Charge
Crafted from the Horns of the Minotaur of Crete.
If you move at least half your movement speed
in a straight line you can Charge at a creature
(enemy has STR check). If the target succeeds
they take 1d4 force damage. If they fail, they
take 2D4 force damage and are knocked prone
or shoved 10 feet away.