Another Felix

op unless you are playing a nuzlocke where it ranks with memento healing wish lunar dance selfdestruct explosion and recoil moves as one the worst to use

Wrong. When a pokemon is capable of decimating your entire team, destiny bond or explosion can save your run. In a nuzlocke run, all pokemon are equal. Sacrifice one to save more.

Perish Song would be cleaner of course, assuming you could hold out for a few turns.