Charger's Polearm

+2 on attack rolls made with this weapon.
1d10+2 Slashing Damage.
You may use your bonus action to Dash.
If you move 15ft towards a target before attacking,
the target makes a DC17 Strength save. On a fail,
target takes 2D12 Piercing damage and is
knocked prone. On success, half damage and is
not knocked prone. Can be used once per turn.