Dagger of Venom

1d4 + 1 piercing - finesse, light, thrown (20/60)
•You gain a +1 bonus to attack and damage rolls
made with this magic weapon.
•You can use an action to cause thick, black
poison to coat the blade. The poison remains for
1 minute or until an attack using this weapon hits
a creature. That creature must succeed on a DC
15 Constitution saving throw or take 2d10 poison damage and become poisoned for 1 minute. The
dagger can't be used this way again until the next
dawn.