Venomous Influx

You instill poisonous miasma into a nearby
creature. The creature makes a Con save.
On a failure, it takes 4d8 poison damage and is
poisoned for 1 minute. On a success, it takes
half as much and isn't poisoned. At the end of
each of it's turns, it can make another Con save.
On a success, it is no longer poisoned.
At Higher Levels. Each extra spell slot increases
the damage by 1d8.