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 Foil - $14.40
Lightly Played Foil - $13.00
Moderately Played Foil - $11.60
Heavily Played Foil - $10.10
Damaged Foil - $7.20
NM-Mint Foil Non English - $14.40
Lightly Played Foil Non English - $13.00
Moderately Played Foil Non English - $11.60
Heavily Played Foil Non English - $10.10
Damaged Foil Non English - $7.20