Deadmans Blade

Weapon Light, Thrown Rare (this item requires attunement) [Evocation]

A steel dagger with a gold pommel, an emerald inlaid in the base with the words "Deadmen tell no tales" scralled along the blade in Thieves Can't. A sought dagger for any Pirate Captain worth his salt. On a successful hit, the target must succeed a Con save equal to 8 + Prof. Bonus + WIS, on a failed save, the target takes an additional 2d4 poison damage - Target is at disadvantage if the attack was made with advantage.