Kildorad's Demon

When Kildorad's Demon enters the battlefield,
destroy target creature.
{2}{b}{b}{t}, Target creature gets -X/-X until end
of turn, where X is your devotion to black. You
lose 2 life.
If you hear the screams, run. If you hear it coming,
hide. If you see it's blade, it's already too late.