Well, Steelshapers Gift should be in your build
Stitch can quest for two, and has decent attack and defense, particularly for a three or four cost card
Omniscience puts in a rare non-combo appearance here too, letting you dump any copies of Bahamut or Splendor you have stuck in your hand, and dig for more using your self-mill and rummage cards
But it's perfectly fine outside of it in giving your stuff a little lifelink boost
(It's an artifact with ", Sacrifice this token: Add one mana of any color.") Amass Orcs 2
BPhillipYork: It's a mana dork that also mana fixes for your commander, so it just makes any green that wants to ramp out creatures smoother and more consistent, and it makes your commander uncounterable or some big legendary spells like Karn's Temporal Sundering or, Planeswalkers, which will get to hit the board then do their thing without a chance for interaction