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.
NM-Mint - $5.70
Lightly Played - $5.10
Moderately Played - $4.60
Heavily Played - $4.00
Damaged - $2.90
NM-Mint Non English - $5.70
Lightly Played Non English - $5.10
Moderately Played Non English - $4.60
Heavily Played Non English - $4.00
Damaged Non English - $2.90
Foil Prices
NM-Mint Foil - $7.40
Lightly Played Foil - $6.60
Moderately Played Foil - $5.90
Heavily Played Foil - $5.20
Damaged Foil - $3.70
NM-Mint Foil Non English - $7.40
Lightly Played Foil Non English - $6.60
Moderately Played Foil Non English - $5.90
Heavily Played Foil Non English - $5.20
Damaged Foil Non English - $3.70