Primal Vitality

Choose a creature type. Creatures you control of the chosen type get +1/+1 for each other creature on the battlefield that share a creature type with it. Those creatures gain hexproof until end of turn.
Tribal {g}{g} (You may cast this card from your graveyard for its tribal cost if you control atleast X creatures of the same type where X is this cards converted mana cost. Then, exile it)