The Puppet Master

You may attempt to persuade a non-hostile tiny animal you can see within range to take food from you. It must make a Wisdom saving throw. If it fails the saving throw, it takes the fungus and the spell sets in. From the point the spell  is cast the tiny creature is under your control for the duration of the spell. You can control it in any way you wish, though it must be in line of sight/within your senses for it to be able to proceed as you are now controlling its movements. At the end of the spell it will die, fungus erupting from its body. Any creature within 5 feet of it when it dies must take a DC10 Constitution Saving Throw or suffer 1D4 poison damage and become poisoned for 1 minute.