Pack with a Devil

Scroll: (Activate this ability only any time you could
cast a sorcery. When you tap this card place a counter
on that ability, that ability can't be used again.)
Pay 4 Life, {t}: Destroy Target Creature.
Pay 4 Life, {t}: Target creature gets -4/-4
until end of turn.
Pay 4 Life, {t}: All creatures get -1/-1 until end
of turn.