Suggestions on countering 4-2N-3W-1

[Toxcatl]

i ve noticed the def mentality works great with the attackbonus during the match

you can try it in your friendly and see the result

Self-deception, mate.
Activated attack bonus gives you additional 5%, nothing more, nothing less. Mentality and bonuses have no synergy, and to notice such a tiny bonus you need to gather statistics from a lot of matches, a few dozens at least. You couldn't possibly noticed that from 2 or 3 games.