For the last few years, Ive been starting a new art piece for Magic by creating the smaller and simpler preliminary sketches for approval, and then once approved, doing a larger, more detailed sketch on toned paper, to figure out more of the light and fine detail, before taking the image into Photoshop for coloring and rendering
One of the more important aspects of constructing a deck is the mana ratio
Zurgo both makes and sacrifices tokens, pretty much anything with the mobilize mechanic will be draining your opponent for a total of three life for each creature
Kozileks Command The first Kindred spell on the list, Kozilek's Command is very eldrazi in nature, and specifically very Kozilek
This is something that I tried to make work with Golgari Guildgate and Prophetic Prism, but it was just outclassed by white versions thanks in large part to Temple of Silence
Theres no single right answer here, as it depends on what feels most rewarding to you