Puella Magi Riz Hawkwood

{t}{u}{u}: Return target creature you control and this card to your hand.
{t}{u}{u}{2}: Tap all creatures you opponent control.
{t}{b}{w}{4}: Sacrifice this card. Destroy all creatures your opponent control.
{t}{b}{4}: Destroy target creature.
She was the shadow protector of Tart and she have sacrifice herself in order to save Tart and the whole world.