You could examine the circumstances where pilots tended to use altitude as a tool and then apply a random set of cards to choose from if one of those...
I enjoy a variety of wargaming but do not get much time for it. I am probably involved more in painting than gaming. I game in a variety of periods & scales. I like wings of war WW1 and I am currently thinking about the heresy of swapping my WW2 planes for ones in 1/144 scale, using everything else as is. Here is another heresy - severely tempted to try wings of war WW1 with 1/72 models...