Crimson Rampage

You touch a willing creature and they are suddenly surrounded by red flames. When within 5 feet of another creature at the start of the creatures turn deal [roll]1d6+1[/roll] damage,  but at the start of the creatures turn it takes [roll]1d4[/roll]. If reduced to 0 hit points or less go back up to 3 hit points and cancel the effects of the spell.