Demon Firesage

{2}{r}: Demon Firesage deals 1 damage to any target.
{4}{r}: Demon Firesage deals 2 damage to any target.
{6}{r}: Demon Firesage deals 3 damage to any target.
{8}{r}: Demon Firesage deals 5 damage to any target. If a creature would die this way, exile it instead.