Rottenmouth Viper (290) Creature Many of the ancient civilizations

Many of the ancient civilizations beneath Ixalan were destroyed by outside forces

Dominaria United Promos

Umbreon ex

If you control a commander

Alolan Golem GX

Rottenmouth Viper (290) Creature Many of the ancient civilizationsBloomburrow Rottenmouth 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 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. Power: 6