Maybe we get to a format where Llanowar Elves is just a bad card, and maybe thanks to cards like Thalia, Guardian of Thraben, Gaddock Teeg, and Collected Company, there are too many reasons not to want a non-creature spell in that slot
Card-Drawing Creatures Its important that we draw cards as much as we can, since those cards are probably going to be more creatures
#10 Mana Vault - Golden Age I'm confused, but for this amount of mana it's worth it
Its colors don't have much in the way of ramp, so you're forced to rely on your mana rocks to be able to get enough mana to get your engines going
Some Game Changers have shown up in recent preconstructed decks, like It's true that Bracket 2 is the average modern-day preconstructed levelbut the emphasis is on average
If youre buying booster packs or other physical Magic cards, I suggest hanging on to your hat until we get just a bit further down