Hishvia, First to Feed

Impunity, impunity (As long as this creature is untapped, spells your opponents cast that target it cost {2} more to cast.)
If a source an opponent controls would deal damage to a creature you control, prevent 1 of that damage and you gain 1 life.
Whenever a creature dies, if Hishvia, First to Feed is in your graveyard, you may pay 4 life. If you do, return it to the battlefield tapped.