Rottenmouth Viper (Showcase) Finish:Nonfoil then discard cards equal to

then discard cards equal to its power

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

Destroy all tapped creatures

Jeskai Revelation deals 4 damage to any target

Whenever one or more cards leave your graveyard

Rottenmouth Viper (Showcase) Finish:Nonfoil then discard cards equal toAs 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.