Flare of Fortitude [Modern Horizons 3 Prerelease Promos]

Set: Modern Horizons 3 Prerelease Promos Type: Instant Rarity: Rare Cost: {2}{W}{W} You may sacrifice a nontoken white creature rather than pay this spell's mana cost.Until end of turn, your life total can't change, and permanents you control gain hexproof and indestructible. I call upon a power greater than myself.