Will, Scion of Peace [Wilds of Eldraine]

Set: Wilds of Eldraine Type: Legendary Creature — Human Wizard Rarity: Mythic Cost: {1}{W}{U} VigilanceT: Spells you cast this turn that are white and/or blue cost X less to cast, where X is the amount of life you gained this turn. Activate only as a sorcery. "It's easy to cry 'For glory!' and charge those who disagree with you. But it takes finess to turn enemies into allies rather than corpses."