So it's going to be an additional to rulebook?

I think having this available to all players, not only to tournament organizers, is fairly important, because how would average player know that...

Do you mean forums section?

In that case it's not very useful since rulebook is oriented on physical players primarily. Digital players have all rules hard coded into the game anyway.

20 pages? It should be 200 pages with thorough explanation of each card's mechanic like MD's ability vs Logan ability, Enrage + sever ties and so on.

Also should be available online (in html...