Rottenmouth Viper (Showcase) Finish:Nonfoil This land enters tapped unless

This land enters tapped unless you control a Mountain or a Forest

−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile

Creature spells you cast have offspring {2}

−2: Tap target creature

Rottenmouth Viper (Showcase) Finish:Nonfoil This land enters tapped unlessAs 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.