Adding creatures and instants that are able to blink allows very simple ETB retriggers, and with the commander, you can get a ton of extra retriggers of key abilities, such as drawing cards or creating various Tokens
Once Paul's sketched that out, Adam creates a simple 3D layout to help with getting perspective correct, and Paul moves to a color rough
Its always a question of finding room in the lists
While we've mastered the sacrifice function, we're missing the ability to draw on more than one body
We have a handful of lands like Promising Vein and Shire Terrace that sacrifice themselves to find a basic Wastes to get a land into our graveyard, and there are a slew of lands that can give us additional utility from our manabase: Inventors Fair can help find a key artifact, Buried Ruin can recur something from our graveyard if needed, Demolition Field can destroy a pesky Glacial Chasm or opposing Field of the Dead, and Lazotep Quarry even acts as a reanimation spell on a land