Incremental Blight
From Lorwyn Eclipsed Commander set
Incremental Blight
Sorcery
Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.
Rulings
- You must target three different creatures. If you can't, you can't cast Incremental Blight.