Dr. Delirious Prodigy, PhD

Partner with Dr. Prodigy's Doomsday Machine (When this creature enters the battlefield, target player may put Dr. Prodigy's Doomsday Machine into their hand from their library, then shuffle.)
Artifact spells you cast cost {1} less to cast.
Whenever you activate an ability of an artifact, if it isn't a mana ability, you may pay {3}. If you do, copy that ability. You may choose new targets for the copy.