Sewer Nemesis [Commander]
Set: Commander Type: Creature Rarity: Rare Cost: null
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 puts the top card of his or her library into his or her graveyard.