Even the mana base is filled with great lands such as Blackcleave Cliffs, Canyon Slough, and Graven Cairns, among others
NAUTILOID SHIP Removal is needed in Commander, and that includes ways to keep on top of graveyards, lest you be overcome by those of us who jam Living Death in every deck we can
Other Removal/Interaction I did still try to squeeze in some basic meat and potatoes cards that any decent Commander deck needs
Because of it usefulness in general, it has seen lots of play in many other decks, so its a welcomed sight to see it in Squirreled Away
Since it's mana free, you can use it when you've tapped out, or cast a mass removal spell like Damnation or Life's Finale to save it proactively not reactively to something else and have the only creature left on the battlefield
Whenever you amass, the Army you put counters on gains the amass creature type