numbers decrease because you are probably playing a stage 1 card with out a card in front of it ,also could be Computer using a car.
ok heres my instructions
1. you need to discard cards to be able to draw others, try to discard useless ones (potions) and rocks first
2. stack cards on top of each other for bonus's
egg--> basic--> stage 1--> stage 2
serj army regiments have loads of AP between 15 and 20. they have rpgs and grenades and some have heavy machine guns. i used to have like 40 men but i have 15 now and i still havn't won the mission