Cheluna, Eternal Goddess

When Cheluna, Eternal Goddess enters the battlefield, search your library for a card with
mana value X or less. Put that card into your
hand, then shuffle your library. X must be
greater than zero.
Whenever a spell or ability an opponent controls targets a non-creature permanent you control,
counter it unless the opponent has you gain 3 life.
"Come, children, and see my infinity."