Leonardo, the Inventor

Artifact spells you cast cost {1} less to cast.
Equip abilities you control cost {1} less to activate.
Whenever Leonardo, the Inventor enters the battlefield, look at the top three cards of your
library. You may reveal an artifact card from
among them and put it into your hand. Put the
rest on the bottom of your library in any order.

"Learning never exhausts the mind."
—Leonardo Da Vinci