---
name: "Sewer Nemesis"
mana_cost: "{3}{B}"
cmc: 4
type_line: "Creature — Horror"
colors: []
color_identity: ["B"]
keywords: ["Mill"]
set: "CLB"
set_name: "Commander Legends: Battle for Baldur's Gate"
collector_number: "771"
rarity: "rare"
artist: "Uriah Voth"
oracle_id: "c7f1a49a-cc22-432f-bf3e-50ba61982b87"
canonical_url: "https://avascry.com/printing/sewer-nemesis-clb"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Sewer Nemesis
- **Mana Cost:** `{3}{B}` (CMC: 4)
- **Type:** Creature — Horror
- **Keywords:** Mill

## Oracle Text
As this creature enters, choose a player.
Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard.
Whenever the chosen player casts a spell, that player mills a card.

## Top 4096-Dim Neural Synergies
1. [Nemesis of Reason](/printing/nemesis-of-reason-clb.md) — Creature — Leviathan Horror
2. [Carrion Grub](/printing/carrion-grub-dsc.md) — Creature — Insect
3. [Drownyard Amalgam](/printing/drownyard-amalgam-mid.md) — Creature — Zombie Horror
4. [Necromancer's Assistant](/printing/necromancers-assistant-m15.md) — Creature — Zombie
5. [Duskmantle Guildmage](/printing/duskmantle-guildmage-gtc.md) — Creature — Human Wizard
6. [Captain N'ghathrod](/printing/captain-nghathrod-clb.md) — Legendary Creature — Horror Pirate

## Printing Details
- **Set:** Commander Legends: Battle for Baldur's Gate (CLB) #771
- **Rarity:** Rare
- **Artist:** Uriah Voth

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`

## Official Rulings
- *(2011-09-22)* If the chosen player leaves the game, Sewer Nemesis's power and toughness each become 0. Unless another effect is raising its toughness above 0, it will be put into its owner's graveyard as a state-based action.