Oleander's Kiss

Evocation cantrip
Casting time: 1 action
Range: 25 feet
Target: One creature that you can see within range
Components: S, M (a leaf from a poisonous plant)
Duration: Instantaneous
Classes: Bard, Sorcerer
Subclasses: --

From your pursed lips, you release a puff of toxic fumes at one creature that you can see within range. The target must succeed on a Constitution saving throw or take 2d6 poison damage.

This spell's damage increases by 1d6 when you reach 5th level (3d6), 11th level (4d6), 17th level (5d4)