PHB
0-level (Cantrip) Conjuration
You extend your hand toward a creature you can see within range and project a puff of noxious gas from your palm. The creature must succeed on a Constitution saving throw or take 1d12 poison damage.
At higher levels: This spell's damage increases by 1d12 when you reach 5th level ( 2d12 ), 11th level ( 3d12 ), and 17th level ( 4d12 ).