Blight

MTG Mechanic

Blight includes a number and is often phrased as a cost you pay. To blight N, put N -1/-1 counters on a creature you control. That creature isn't targeted, so you choose which creature will get the -1/-1 counters as you're taking the blight action. Importantly, you can put more -1/-1 counters on a creature than it would take to get rid of it.