Etched Host Doombringer is a common Creature — Phyrexian Demon card from March of the Machine (MOM), collector number 102. Current market price: $0.21 (foil $0.09), TCGplayer market prices via Scryfall.
When this creature enters, choose one — • Target opponent loses 2 life and you gain 2 life. • Choose target battle. If an opponent protects it, remove three defense counters from it. Otherwise, put three defense counters on it.