Tainted Love

One Character of your choice that you can see within range makes a Wisdom saving throw. It does so with Advantage if you or your allies are fighting it. On a failed save, the target gets the Charmed condition and starts to view one of their most near ally as an enemy until the spell ends. On a successful save the target only gets the Charmed condition until the spell ends or until you or your allies damage it. The Charmed creature is Friendly to you. When the spell ends, the target knows it was Charmed by you.

Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level above 1.