Sarah, Lightborn

Flying, Vigilance.
When Sarah, Lightborn comes into play, you lose
5 life. Whenever a legendary permanent comes into play under your control, you lose 5 life. Whenever a nonlegendary permanent comes into play under your control, you gain 1 life.
{b} : Sarah, Lightborn gains hexproof until the
end of the turn and you lose 5 life.