mtg lotr full art cards with by deceased fantasy legends are spiking up to 300% Art Card COMPLETE Set 81

It even has some decent graveyard hate attached to it as well

As for BRs signposts, Black Waltz No

That's incredible value that can be enabled through something as simple as a Rampant Growth

Research Thief, The Mightstone and Weakstone Meld , Blightsteel Colossus, Mycosynth Golem, Thopter Assembly, Tezzeret, Master of the Bridge, Organic Extinction, Darksteel Forge, Mycosynth Lattice, Kuldotha Forgemaster, Cyberdrive Awakener these are the better 5-7 CMC cards here

Pain Lands I don't know why but there is not much love for the humble pain land in the world of magic

In cube all the good artifact and enchantment removal is on the back of some broader utility card