The Oversoul\'s Will

If {W}{W} was spent to cast this spell, exile target artifact. If {G}{G} was spent to cast this spell, destroy target enchantment. If {W}{G} was spent to cast this spell, creatures you control gain hexproof and indestructible until end of turn. You can’t lose life or lose the game until the beginning of your next turn.{flavor}Steel rusts. Spells unravel. Life endures.