Necrotic Wound | 79 | Guilds of Ravnica

Set: Guilds of Ravnica
Rarity: U
#: 79
Creature Type or Sub Type: Instant
Rules Text Contains: Undergrowth — Target creature gets -X/-X until end of turn, where X is the number of creature cards in your graveyard. If that creature would die this turn, exile it instead.
Flavor: The assassins of the Ochran distill toxins from the remains of their previous victims.