Shelbitron, Robian Defender

Indestructible, Robotize {4}{w/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)
{2}{w/b}{t}: Target creature gets +4/+5 until
the end of turn
I Shelbitron will be your everlasting shield, Mistress Technaclaw