If you want consistent graveyard filling, Sludge Titan does a great job, but is the mana cost right for when you want to fill your graveyard
Basically any version of Tezzeret, Karn, or Daretti features some interaction with artifacts
Of the cards that we designed during this phase, none are exactly what's printed, but a few came close
Miscuts, Off-Centered, and Corner Cuts The defining characteristic of a miscut card is that you can see another card somewhere
Its a one-drop with menace, but more importantly, you can sacrifice it to discard a card and immediately draw a new one
Goblin Tutor : Not legal in most formats, you'll probably need to rule 0 with your group to play it, but this tutor from the UN sets is both random and a fun tutor