You gain X life. Permanents with mana value X or less you control gain protection from everything until end of turn. If {B} was spent to cast this spell, each opponent sacrifices a creature with the greatest mana value among creatures with mana value X or less they control. If {R} was spent to cast this spell, each opponent sacrifices a noncreature, nonland permanent with the greatest mana value among noncreature, nonland permanents with mana value X or less they control.