Mangara, the Diplomat is a rare Legendary Creature — Human Cleric card from Tarkir: Dragonstorm Commander (TDC), collector number 124. Current market price: $0.36, 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.