Так вот:

bhstart.ert:
179739 Gives a 67/100/100% and a 0/33/100% chance to unlock 5th and 6th cards respectively.
179749 Gives a 8/16/24% chance to draw a second set of carsd in the same round.
179772 {Stateman's Medal}
Makes Guild services 20% cheaper.
Minimal price - 1 MP.

bhinterface.ert
179881 Ammo Cart supplies ammunition to a random unit at the start of each round.
179900 Hero gets a chance to play up to five random cards.
The chance of playing each card is %Y3%%.
Try your luck!

Valery, this should answer some of your questions.