Expansion sets are known as chapters, with each booster pack containing twelve cards.
Sorcery Removal (CTRL to add secondary) Tokens Tokens (CTRL to add secondary) Tutor Profane Tutor Suspend 2 (Rather than cast this card from your hand, pay and exile it with two time counters on it
People are starting to brew with spellcows already and those people have large readerships who are going to get as hype as I am about spellcows and go buy their own decks
It can be oppressive, especially in decks with access to large amount of draw (anything Simic, usually), and Ive found often locks one player out of the game whilst the players with the more durdly value engines have time to set up their less attention-seeking pieces
Typically, other colors have it as protection from something they oppose
Knowing what you want out of a box is important before you buy it