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 - $8.20
Lightly Played - $7.40
Played - $5.70
Heavily Played - $4.90
Damaged - $4.10
Near Mint Non-English - $8.20
Lightly Played Non-English - $7.40
Played Non-English - $5.70
Heavily Played Non-English - $4.90
Damaged Non-English - $4.10
Foil Prices
Near Mint Foil - $11.10
Lightly Played Foil - $10.00
Played Foil - $7.80
Heavily Played Foil - $6.70
Damaged Foil - $5.60
Near Mint Foil Non-English - $11.10
Lightly Played Foil Non-English - $10.00
Played Foil Non-English - $7.80
Heavily Played Foil Non-English - $6.70
Damaged Foil Non-English - $5.60