We wanted to make sure there were plenty of cool, monocolor legendary knights running around and so we made Syr Konrad to make sure black had one at uncommon
It could be a Righteous Valkyrie to gain you tons of life, or a Herald of War to reduce the cost even further
On top of that, Ulamog is an Eldrazi, a creature type with a lot of support, particularly in making large mana cost creatures cheaper to play
This is understandably confusing considering the Saproling token art makes them look like animated versions of various twigs, branches, bushes, trees, shrubs, roots, and, of course, fungi
This Jace can protect itself for -3, bouncing a nonland permanent back to its owners hand
It scales quickly in the right deck, and this can be a masterwork in the hands of a commander that produces many tokens