Fire Nation Palace is a rare Land card from Avatar: The Last Airbender Promos (PTLA), collector number 268s. Current market price: — (foil $5.69), TCGplayer market prices via Scryfall.
This land enters tapped unless you control a basic land. {T}: Add {R}. {1}{R}, {T}: Target creature you control gains firebending 4 until end of turn. (Whenever it attacks, add {R}{R}{R}{R}. This mana lasts until end of combat.)