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
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
RIP [[Colossal Dreadmaw]], but Spider-Rex might just lead my Bracket 1 Oops, All Dreadmaws deck into glory
#10 Mana Vault - Golden Age I'm confused, but for this amount of mana it's worth it