As an additional cost to cast this spell, you may sacrifice any number of nonland permanents. This spell costs {1} less to cast for each permanent sacrificed this way. Whenever Rottenmouth Viper enters or attacks, put a blight counter on it. Then for each blight counter on it, each opponent loses 4 life unless that player sacrifices a nonland permanent or discards a card.
Near Mint - $8.40
Lightly Played - $6.70
Moderately Played - $5.90
Heavily Played - $5.10
Damaged - $4.20
Near Mint Spanish - $8.40
Lightly Played Spanish - $6.70
Moderately Played Spanish - $5.90
Heavily Played Spanish - $5.10
Damaged Spanish - $4.20
Foil Prices
Near Mint Foil - $19.00
Lightly Played Foil - $15.20
Moderately Played Foil - $13.30
Heavily Played Foil - $11.40
Damaged Foil - $9.50
Near Mint Foil Spanish - $19.00
Lightly Played Foil Spanish - $15.20
Moderately Played Foil Spanish - $13.30
Heavily Played Foil Spanish - $11.40
Damaged Foil Spanish - $9.50