If I understand correctly, he's asking how many interrupts, prevents, and negates to include in most decks.
It depends a lot on which brigades you run. I'm far from a great deckbuilder, but my general answer is that I try to include threeish good negates and a couple evil ones. Some decks, like BoM, focus a lot on prevent, but a deck without any offensive interrupts won't win many souls. My most recent T1 deck ran a cbn good negate and dc all EEs, a recurable good interrupt battlewinner, a good conditional negate+d3+play next, a DAC negate and dc last enhancement, an evil negate+dc, and Woes. That was pretty effective, though sometimes I wished I had one more evil negate.
