Endbringer is a rare Creature — Eldrazi card from Oath of the Gatewatch Promos (POGW), collector number 3. Current market price: — (foil $0.40), TCGplayer market prices via Scryfall.
Untap this creature during each other player's untap step. {T}: This creature deals 1 damage to any target. {C}, {T}: Target creature can't attack or block this turn. {C}{C}, {T}: Draw a card.