Flame of the Fell God

You may cast this spell only if you control a legendary creature.
Flame of the Fell God deals 5 damage to target creature. If a creature would die this way, its controller loses 5 life.

Litany {1}{r}{r}, 3 Faith. (When this spell resolves, exile it. You may cast this spell from exile for
its Litany cost. If you do, tap creatures with Faith counters on them and remove the required number of counters from them.)