Lost Luna Lovegood

Luna Lovegood & lost Luna Lovegood may coexist on the battlefield at the sametime. If one were to be destroyed both are instead.
{x}: Look for {x} cards in your library, add them to your hand, you have no max handsize for the rest of the game.
{x}: Return {x} cards from your hand to your graveyard, gain life equal to the total mana value of cards put back this way.
{t}: You may tap creatures you control for {2} mana of an