Jaheira, Stirring Harper is a uncommon Legendary Creature — Human Elf Druid card from Alchemy Horizons: Baldur's Gate (HBG), collector number 16r.
Hexproof from artifacts and enchantments When this creature specializes, destroy up to one target artifact or enchantment. You get a one-time boon with "When you cast a creature spell, it perpetually gets +1/+0 and gains haste."