As Sewer Nemesis enters the battlefield, 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.
Near Mint - $0.70
Lightly Played - $0.70
Played - $0.50
Heavily Played - $0.50
Damaged - $0.40
Near Mint Non-English - $0.70
Lightly Played Non-English - $0.70
Played Non-English - $0.50
Heavily Played Non-English - $0.50
Damaged Non-English - $0.40