Rottenmouth Viper (Borderless) [Bloomburrow] Bird Demon " WIth this deck

" WIth this deck

counter it unless that player pays {4}

As blood touched the empty page

Set: Bloomburrow Promos Type: Creature — Elemental Cat Rarity: Rare Cost: {2}{R}{R} Players can't gain life

Rottenmouth Viper (Borderless) [Bloomburrow] Bird Demon " WIth this deckSet: Bloomburrow Type: Creature Elemental Snake Rarity: Mythic Cost: {5}{B} As 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 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 or discards a card.