Rottenmouth Viper Condition:Excellent Activate only during your turn

Activate only during your turn

Untap all creatures you control

Whenever you cast an instant or sorcery spell that targets only a single creature you control

and the driving force is faith

Rottenmouth Viper Condition:Excellent Activate only during your turnRottenmouth Viper Creature Elemental Snake As an additional cost to cast this spell, you may sacrifice any number of nonland permanents. This spell costs 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 of their choice or discards a card. Set: Bloomburrow Promos