Sewer Nemesis is a rare Creature — Horror card from Commander Legends: Battle for Baldur's Gate (CLB), collector number 771. Current market price: $1.41, TCGplayer market prices via Scryfall.
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.
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