Lo and Li, Royal Advisors is a rare Legendary Creature — Human Advisor card from Avatar: The Last Airbender Eternal (TLE), collector number 189. Current market price: $0.66 (foil $0.46), TCGplayer market prices via Scryfall.
Whenever an opponent discards a card or mills one or more cards, put a +1/+1 counter on each Advisor you control. {2}{U/B}: Target player mills four cards. (They put the top four cards of their library into their graveyard.)