Drown

Upon casting this spell you can target one living creature within sight, that creature makes a constitution saving throw versus your spell DC. That creature's lungs begin to fill with water and they begin to drown. On a save the creature is stunned until the end of their next turn while they cough up the water from the lungs, on a fail the target falls incapacitated as they begin to drown. A drowning creature cannot breath, speak, or cast spells requiring verbal components. A creature can remake the saving throw at the end of their next to see if the expel the water. This spell has no effect on undead, or other living creatures that do not require air to breath. 

This spell if cast at 4th level or higher may target one addition creature for each level above 3rd.