Shan Elariel, Lady of Court

When this creature enters the battlefied, you may sacrifice a creature. If that creature had converted
mana cost two or less, you gain two life and each opponent loses two life. If that creature had
converted mana cost three or greater, you draw a
card and untap a creature you control.
Whenever an opponent would lose life, you may sacrifice a nontoken creature. If you do, they lose
that much life plus three.