Niambi, Esteemed Speaker is a rare Legendary Creature — Human Cleric card from Magic Online Promos (PRM), collector number 82018.
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.