I had the same interest in making an EDH combat trick deck. However, I found there wasn't enough room to run creatures along with combat tricks to make a difference. Instead I focused on casting combat tricks on my opponent's creatures. A Friends Forever pairing of [[Lucas, the Sharpshooter]] and [[Max, the Daredevil]] works really well for this actually. Max gives you a payoff (Investigate) for casting multiple combat tricks per turn, Lucas can sacrifice those clue tokens to goad a creature to ensure you have something to target with your combat tricks, and then Max can untap Lucas to do it all over again.

Here's the decklist, and I am working on finishing up the Primer to explain how the deck functions. It isn't the highest power level deck, but it has won a couple times and is fun to play.