Dr.Nefarious,Galactic Emperor

When Dr.Nefarious is on the command zone or
on the battlefield, all of your robot spell and
artifact cost {1} less.
{t}{x}{5} : Dr.Nefarious use his Pacificator beam,
he transform one permanent target in a
sheep 1/0, X is the number of robot you control
on battlefield and it's denied of the mana cost.
You can pay {1} for {ut} after this cast.