Mangara, the Diplomat is a mythic Legendary Creature — Human Cleric card from The List (PLST), collector number M21-27. Current market price: $0.55, TCGplayer market prices via Scryfall.
Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card.