Naira, the Deadrose

When Naira, the Deadrose enters, mill X cards,
then put a number of +1/+1 counters on it equal to the number of cards milled this way.

Whenever a permanent card leaves your graveyard, you gain life equal to its mana value,
then each opponent loses that much life.

{3}{b}{g}: Return target permanent card from your graveyard to the battlefield.