Stirring Wildwood is a rare Land card from Ultimate Masters (UMA), collector number 251. Current market price: $0.34 (foil $0.82), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {G} or {W}. {1}{G}{W}: Until end of turn, this land becomes a 3/4 green and white Elemental creature with reach. It's still a land.