Squirreled Away's theme isnt so much squirrels as various kinds of tokens
A combo can be any set of cards which effectively ends the game in your favor, be that a prison like Teferi + Knowledge Pool, infinite damage/mill, or even a very fast combat clock like Skithiryx, the Blight Dragon + Lightning Greaves
The first can only hit mana value of three or less and the second requires a heavy dose of resources to do its thing
Disorder in the Court This Azorius card is a great way to save a creature or two from removal
I think that the art direction was extremely well done across all of the precons, but the reprints in this deck are my personal favorites when it strictly comes down to the enjoyability of the artwork
While the types of value gained through doing so vary greatly based on one's commander, Cheerios decks are often incredibly efficient and consistent, as they care less about what their zero-mana spells do, and more about how their commander is rewarding them for play so many free spells