Alita, Motorball Angel

Haste, First Strike, Alita, Motorball Angel has Hexproof as long as it is attacking.
{u}{u}: Alita, Motorball Angel can't be blocked until end of turn.
Discard a card: Exile this creature. Then return Altia, Battle Angel to the battlefield and return Cyborg Body, Motorball to your hand at the beginning of the next endstep.