Tyvars Stand + Minor Misstep While rares and mythics are often the talk of every set, cheap and useful spells often make a big difference in Constructed and Limited decks
If you want to reanimate it, you can cycle it and sometimes surprise your opponents with instant-speed Pilots that crew powerful vehicles
Proliferate can be helpful for all the same reasons it can be dangerous
If the binder is mostly staying inside, or not holding very valuable cards, you probably wont have much need for a zipper, but if the binder will be frequently bouncing around a backpack, or holds more valuable pieces of your collection, a zipper may be in order.
Many MTG Commander staples use delayed triggers to generate massive value over multiple turns
Proxying a casual, Bracket 2 deck is every bit as reasonable as doing it for a cEDH list that would cost thousands of dollars