Niambi, Esteemed Speaker is a rare Legendary Creature — Human Cleric card from Core Set 2021 Promos (PM21), collector number 222p. Current market price: $0.33 (foil $0.35), TCGplayer market prices via Scryfall.
Flash When Niambi enters, you may return another target creature you control to its owner's hand. If you do, you gain life equal to that creature's mana value. {1}{W}{U}, {T}, Discard a legendary card: Draw two cards.