Treetop Village is a uncommon Land card from World Championship Decks 1999 (WC99), collector number ml143. Current market price: $1.40, TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {G}. {1}{G}: This land becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)