Sheenek Factory

{t}: Add one mana of any color to your mana pool. Use this mana only to cast creature spells with reconstruct.
{2}, {t}: Reconstruct target Construct creature you control. (Put a +1/+1 counter on it, then swap its power and toughness.)
It keeps churning them out, an unpredictable horde of robots desperate to create some semblance of life in themselves.