Sterling Grove is a rare Enchantment card from Modern Horizons 2 (MH2), collector number 293. Current market price: $4.48 (foil $7.76), TCGplayer market prices via Scryfall.
Other enchantments you control have shroud. (They can't be the targets of spells or abilities.) {1}, Sacrifice this enchantment: Search your library for an enchantment card, reveal it, then shuffle and put that card on top.