Emrakul is fantastic against Control-heavy strategies as her ability is a cast ability, so even if your opponent counters the spell, you are still able to control their next turn
It's generally recommended to stick to 60 cards - the more glimmers you have, the harder it is to pull the exact ones you need during play
If you are going to participate in an event, or already would have bought six boosters, the prerelease kits are worth it
For example, you usually need to dedicate some amount of deck space to removal, but if many of your creatures destroy permanents on ETB, you can skimp on targeted removal and go higher on your creature count
Whenever possible, the cards work the same way, the rules are the same, and you can even pause to think (or bluff) according to the same timing
Atime where we saw a lot of things about Magic changing: The card borders, how creature types work, and more importantly the story