Temur Monument is a uncommon Artifact card from Tarkir: Dragonstorm (TDM), collector number 248. Current market price: $0.14 (foil $0.21), TCGplayer market prices via Scryfall.
When this artifact enters, search your library for a basic Forest, Island, or Mountain card, reveal it, put it into your hand, then shuffle. {3}{G}{U}{R}, {T}, Sacrifice this artifact: Create a 5/5 green Elephant creature token. Activate only as a sorcery.