Abandoned Air Temple is a rare Land card from Avatar: The Last Airbender Promos (PTLA), collector number 263s. Current market price: — (foil $10.54), TCGplayer market prices via Scryfall.
This land enters tapped unless you control a basic land. {T}: Add {W}. {3}{W}, {T}: Put a +1/+1 counter on each creature you control.