Peridot, Homeworld Engineer

{4}{u}: Create two 1/1 colorless Robonoid
artifact creature tokens. Reduce the activation
cost of this ability by {1} for each Equipment
attached to Peridot, Homeworld Engineer.
Sacrifice an artifact, {t}: Put the top three cards
of your library into your graveyard. You may
then return target artifact card from your
graveyard to your hand.