Dromoka Monument is a uncommon Artifact card from Dragons of Tarkir (DTK), collector number 238. Current market price: $0.10 (foil $0.45), TCGplayer market prices via Scryfall.
{T}: Add {G} or {W}. {4}{G}{W}: This artifact becomes a 4/4 green and white Dragon artifact creature with flying until end of turn.