Tidus, Blitzball Star gets stronger as you create more artifact tokens, while Cid, Timeless Artificer supports a wide battlefield of artifact creatures
The issue, however, is that Molderhulk is very difficult to get down too early since you need to spend resources to get lands into your graveyard
In that mode, its a mana cheaper than Volcanic Dragon
Two damage to each player with Niv-Mizzet, VisionaryNiv-Mizzet, Visionary in play will draw you six cards, which is not bad for three mana
Yawgmoth comes to mind, especially the build running Birthing Ritual and token generators
Necrodominance This new version of Necropotence is next