It is also relevant that the Eldrazi creatures are great for applying pressure, since that is what you want to do with Unfortunately for Storm, Eldrazi is a very poor matchup on paper.
And while I may be known for playing Elves, I have a new main squeeze in Legacy that I am just dying to sleeve up again: Storm.
Tendrils of Agony and I saw each other, I was taking five minutes to resolve a Brainstorm and still not resolving it correctly.
Since linear decks are more like machines, ensuring that each cog is functioning properly is essential for maximum efficiency.
Personally, I like making the most important decisions before the tournament begins, when I have more time to be thorough.