Labystron, Robian Guardian

Robotize {3}{u/b} (whenever this card destroys a creature during the battle phase you
may pay the cost and place a 4/4 artifact creature on your field)
If Lady Technaclaw is on the field you may Summon this Card with Haste.
{3}{u/b}: If this card is sent to the Graveyard you may pay 3 life to return it to your library
I Am Labys, I am mistress' sword and shield - Labys' oath