Festering March

Festering March

Sorcery (CMC 5)
Creatures your opponents control get -1/-1 until end of turn. Exile Festering March with three time counters on it.
Suspend 3-- (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)