Rottenmouth Viper (Showcase) Finish:Nonfoil At the beginning of each

At the beginning of each end step

Trance — At the beginning of combat on your turn

Creature spells you cast have offspring {2}

{P}{P} — Choose an artifact or creature you control

Destroy all tapped creatures

Rottenmouth Viper (Showcase) Finish:Nonfoil At the beginning of eachAs 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 this creature 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.