Emerald Serpent's Fang

You coat your weapon in poison, or conjure up an emerald foil in your hand. You strike like a scorpion or snake, jolting forward 5 feet in any direction. This movement does not provoke attacks of opportunity. After you move, make a melee weapon attack against a creature within range. On a hit, the target takes 1d10 poison damage and is poisoned until the end of its next turn.

The spell's damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10), and 17th level (4d10).