Needs 1 Vesuva to finish

All Is Dust
Smokestack

Coercive Portal main/side?  Card advantage engine?
Trading Post?
Crucible of Worlds

Still looking to work a Coercive Portal into the main, perhaps in place of the 4th Trinisphere.  Ugin and Karn just feel clunky and bad as non-artifact cards.  Plus Spine of Ish Sah does what I usually want those two to do, except better, since it can be deployed vs an SnT.  The only place I really wanted Ugin was as a board wipe, and I still like All Is Dust more, seeing as it costs 7 rather than 8, and that difference in mana sometimes is important.  Similar to the argument of running Platinum Angel main instead of Platinum Emperion, when Emperion feels like, in general, a better card.

-1 Trinisphere +1 Coercive Portal

Still debating between Wasteland and Mishra's Factory, both have pros and cons, i.e. being a threat after a wrath and being a target to sacrifice to Forgemaster...

-1 Wurmcoil Engine/-1 Sundering Titan +1-2 Ugin, the Spirit Dragon

-1 Witchbane Orb +1 Orbs of Warding
-1 Trinisphere +1 Coercive Portal?
Trinisphere gets weaker in multiples but it does tend to get removed and drawing one is always useful.  The issue mostly arises when an opponent has stabilized vs a Trinisphere and you end up drawing more.  Three seems like the ideal number when considering all aspects of the issue.

-1 Lightning Greaves, -1 Sundering Titan, -1 Kuldotha Frogemaster, +1--3 Ugin, the Spirit Dragon?