Grind
{1}{B}Sorcery
Put a -1/-1 counter on each of up to two target creatures.
Grind // Dust
{1}{B} // {3}{W}
Sorcery // Sorcery
Oracle Text
Dust
{3}{W}Sorcery
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Exile any number of target creatures that have -1/-1 counters on them.