FromTheShire: On the whole I don't LOVE unearth in Commander because you have to get everything done right away and frequently the cost is pretty high, but Mishra giving it to all of your artifacts for only 3 is a bit of a different story
If your library has two or fewer cards in it when Wick's Patrol's ability resolves, you'll mill as many cards as you can, but the reflexive ability won't trigger
Play Boosters: Includes a blend of set and draft boosters, serving a joint function
I do really like Amass as a mechanic, but I think it needs to be the primary focus of the deck and commander to shine and thats not the case in the stock list with Sauron
I like this in the various Rakdos Aggro and Midrange decks that either dont care about their life total (Deaths Shadow) or plan on gaining back a bunch of life (Sheoldred, the Apocalypse)
Synergy All the other categories can be considered support, but you'll also need mechanics and effects to get your Oozes out on the battlefield to drown your opponents in slime