Long Feng, Grand Secretariat is a uncommon Legendary Creature — Human Advisor card from Avatar: The Last Airbender (TLA), collector number 233. Current market price: $0.12 (foil $0.25), TCGplayer market prices via Scryfall.
Whenever another creature you control or a land you control is put into a graveyard from the battlefield, put a +1/+1 counter on target creature you control.