Gravelord Dance

(When you cast this spell you may pay for an
apocrypha cost. If you do, include that text.)
Nonblack creatures get -1/-1 until end of turn.
Sword Dance — Apocrypha {1}{b}: Nonskeleton creatures get -1/-1 until end of turn.
Eye of Death — Apocrypha {b}{b}{b}{b}: Whenever
a creature dies this turn, you may put a -1/-1
counter on target creature.