Iroh, Tea Master is a rare Legendary Creature — Human Citizen Ally card from Avatar: The Last Airbender (TLA), collector number 381. Current market price: $1.29 (foil $1.15), TCGplayer market prices via Scryfall.
When Iroh enters, create a Food token. At the beginning of combat on your turn, you may have target opponent gain control of target permanent you control. When you do, create a 1/1 white Ally creature token. Put a +1/+1 counter on that token for each permanent you own that your opponents control.